Practice 300 Chemistry of Carbohydrates and Lipids MCQs with answers covering monosaccharides, polysaccharides, fatty acids, triglycerides, phospholipids, lipoproteins, cholesterol, and bile salts.
Chemistry of Carbohydrates and Lipids MCQs with Answers
A complete practice question bank covering carbohydrates, lipids, fatty acids, polysaccharides, lipoproteins, eicosanoids, cholesterol, bile salts and biochemical analysis.
Covered Topics
- Carbohydrate fundamentalsIntroduction, occurrence, biological significance, nomenclature and classification.
- Mono-, oligo- and polysaccharidesStructures, glycosidic bonds, reducing sugars, starch, glycogen, cellulose and chitin.
- Blood-group carbohydratesABO antigens, terminal sugars, transfusion compatibility and cell recognition.
- Lipid chemistryClassification, biological functions, fatty acids, triglycerides, waxes and saponification.
- Complex lipids and membranesPhospholipids, sphingolipids, glycolipids, membranes and cholesterol.
- Lipoproteins and steroidsChylomicrons, HDL, LDL, VLDL, bile acids, bile salts and steroid hormones.
300 questions showing
Which option correctly describes Carbohydrates?
- enzymes that digest cellulose in humans
- organic compounds that are polyhydroxy aldehydes, ketones or their derivatives
- an enzyme that hydrolyzes proteins only
- free monosaccharides dissolved in urine
Show Answer
Correct Answer: B. organic compounds that are polyhydroxy aldehydes, ketones or their derivatives
They are major biomolecules involved in energy supply, structure and cell recognition.
For exam preparation, Carbohydrates refers to:
- a reducing sugar with a free anomeric carbon
- organic compounds that are polyhydroxy aldehydes, ketones or their derivatives
- a mineral stored mainly in bones
- a method for sequencing DNA bases
Show Answer
Correct Answer: B. organic compounds that are polyhydroxy aldehydes, ketones or their derivatives
They are major biomolecules involved in energy supply, structure and cell recognition.
In chemistry of carbohydrates and lipids, which statement is correct about Carbohydrates?
- a metal ion required for hemoglobin
- organic compounds that are polyhydroxy aldehydes, ketones or their derivatives
- a nucleic acid base found only in DNA
- a method for sequencing DNA bases
Show Answer
Correct Answer: B. organic compounds that are polyhydroxy aldehydes, ketones or their derivatives
They are major biomolecules involved in energy supply, structure and cell recognition.
Which option correctly describes The general empirical formula of many carbohydrates?
- a metal ion required for hemoglobin
- a lipid-soluble steroid hormone
- Cn(H2O)n
- long-term DNA storage molecules
Show Answer
Correct Answer: C. Cn(H2O)n
Many simple carbohydrates approximately follow this formula, although there are important exceptions.
For exam preparation, The general empirical formula of many carbohydrates refers to:
- storage polysaccharides of plants
- long-term DNA storage molecules
- proteins containing peptide bonds only
- Cn(H2O)n
Show Answer
Correct Answer: D. Cn(H2O)n
Many simple carbohydrates approximately follow this formula, although there are important exceptions.
In chemistry of carbohydrates and lipids, which statement is correct about The general empirical formula of many carbohydrates?
- a metal ion required for hemoglobin
- a lipid-soluble steroid hormone
- Cn(H2O)n
- a method for sequencing DNA bases
Show Answer
Correct Answer: C. Cn(H2O)n
Many simple carbohydrates approximately follow this formula, although there are important exceptions.
Which option correctly describes Monosaccharides?
- proteins containing peptide bonds only
- long-term DNA storage molecules
- a mineral stored mainly in bones
- carbohydrates that cannot be hydrolyzed into simpler carbohydrate units
Show Answer
Correct Answer: D. carbohydrates that cannot be hydrolyzed into simpler carbohydrate units
Glucose, fructose and ribose are common examples of monosaccharides.
For exam preparation, Monosaccharides refers to:
- long-term DNA storage molecules
- a fat-soluble vitamin carrier only
- a reducing sugar with a free anomeric carbon
- carbohydrates that cannot be hydrolyzed into simpler carbohydrate units
Show Answer
Correct Answer: D. carbohydrates that cannot be hydrolyzed into simpler carbohydrate units
Glucose, fructose and ribose are common examples of monosaccharides.
In chemistry of carbohydrates and lipids, which statement is correct about Monosaccharides?
- carbohydrates that cannot be hydrolyzed into simpler carbohydrate units
- storage polysaccharides of plants
- an enzyme that hydrolyzes proteins only
- free monosaccharides dissolved in urine
Show Answer
Correct Answer: A. carbohydrates that cannot be hydrolyzed into simpler carbohydrate units
Glucose, fructose and ribose are common examples of monosaccharides.
Which option correctly describes Disaccharides?
- a fat-soluble vitamin carrier only
- a nucleic acid base found only in DNA
- carbohydrates that yield two monosaccharide units on hydrolysis
- proteins containing peptide bonds only
Show Answer
Correct Answer: C. carbohydrates that yield two monosaccharide units on hydrolysis
Sucrose, lactose and maltose are common disaccharides.
For exam preparation, Disaccharides refers to:
- storage polysaccharides of plants
- a lipid-soluble steroid hormone
- linear polysaccharides made of glucose only
- carbohydrates that yield two monosaccharide units on hydrolysis
Show Answer
Correct Answer: D. carbohydrates that yield two monosaccharide units on hydrolysis
Sucrose, lactose and maltose are common disaccharides.
In chemistry of carbohydrates and lipids, which statement is correct about Disaccharides?
- an enzyme that hydrolyzes proteins only
- free monosaccharides dissolved in urine
- proteins containing peptide bonds only
- carbohydrates that yield two monosaccharide units on hydrolysis
Show Answer
Correct Answer: D. carbohydrates that yield two monosaccharide units on hydrolysis
Sucrose, lactose and maltose are common disaccharides.
Which option correctly describes Oligosaccharides?
- an enzyme that hydrolyzes proteins only
- a fat-soluble vitamin carrier only
- short carbohydrate chains commonly containing about three to ten monosaccharide units
- a nucleic acid base found only in DNA
Show Answer
Correct Answer: C. short carbohydrate chains commonly containing about three to ten monosaccharide units
Oligosaccharides are important in recognition, blood-group antigens and glycoproteins.
For exam preparation, Oligosaccharides refers to:
- a method for sequencing DNA bases
- short carbohydrate chains commonly containing about three to ten monosaccharide units
- a mineral stored mainly in bones
- long-term DNA storage molecules
Show Answer
Correct Answer: B. short carbohydrate chains commonly containing about three to ten monosaccharide units
Oligosaccharides are important in recognition, blood-group antigens and glycoproteins.
In chemistry of carbohydrates and lipids, which statement is correct about Oligosaccharides?
- short carbohydrate chains commonly containing about three to ten monosaccharide units
- a test used only for protein secondary structure
- proteins containing peptide bonds only
- a fat-soluble vitamin carrier only
Show Answer
Correct Answer: A. short carbohydrate chains commonly containing about three to ten monosaccharide units
Oligosaccharides are important in recognition, blood-group antigens and glycoproteins.
Which option correctly describes Polysaccharides?
- a reducing sugar with a free anomeric carbon
- long polymers made of many monosaccharide units joined by glycosidic bonds
- a test used only for protein secondary structure
- a peptide made only of amino acids
Show Answer
Correct Answer: B. long polymers made of many monosaccharide units joined by glycosidic bonds
Starch, glycogen, cellulose and chitin are examples of polysaccharides.
For exam preparation, Polysaccharides refers to:
- a method for sequencing DNA bases
- free monosaccharides dissolved in urine
- long polymers made of many monosaccharide units joined by glycosidic bonds
- a test used only for protein secondary structure
Show Answer
Correct Answer: C. long polymers made of many monosaccharide units joined by glycosidic bonds
Starch, glycogen, cellulose and chitin are examples of polysaccharides.
In chemistry of carbohydrates and lipids, which statement is correct about Polysaccharides?
- a peptide made only of amino acids
- long polymers made of many monosaccharide units joined by glycosidic bonds
- a water-soluble polymer of amino acids
- a fat-soluble vitamin carrier only
Show Answer
Correct Answer: B. long polymers made of many monosaccharide units joined by glycosidic bonds
Starch, glycogen, cellulose and chitin are examples of polysaccharides.
Which option correctly describes Aldoses?
- monosaccharides that contain an aldehyde group
- a mineral stored mainly in bones
- linear polysaccharides made of glucose only
- free monosaccharides dissolved in urine
Show Answer
Correct Answer: A. monosaccharides that contain an aldehyde group
Glucose and ribose are examples of aldose sugars.
For exam preparation, Aldoses refers to:
- monosaccharides that contain an aldehyde group
- an enzyme that hydrolyzes proteins only
- a metal ion required for hemoglobin
- a lipid-soluble steroid hormone
Show Answer
Correct Answer: A. monosaccharides that contain an aldehyde group
Glucose and ribose are examples of aldose sugars.
In chemistry of carbohydrates and lipids, which statement is correct about Aldoses?
- an enzyme that hydrolyzes proteins only
- storage polysaccharides of plants
- a reducing sugar with a free anomeric carbon
- monosaccharides that contain an aldehyde group
Show Answer
Correct Answer: D. monosaccharides that contain an aldehyde group
Glucose and ribose are examples of aldose sugars.
Which option correctly describes Ketoses?
- a reducing sugar with a free anomeric carbon
- long-term DNA storage molecules
- a mineral stored mainly in bones
- monosaccharides that contain a ketone group
Show Answer
Correct Answer: D. monosaccharides that contain a ketone group
Fructose is an important ketohexose.
For exam preparation, Ketoses refers to:
- monosaccharides that contain a ketone group
- a peptide made only of amino acids
- a non-biological synthetic polymer with no cellular role
- a test used only for protein secondary structure
Show Answer
Correct Answer: A. monosaccharides that contain a ketone group
Fructose is an important ketohexose.
In chemistry of carbohydrates and lipids, which statement is correct about Ketoses?
- monosaccharides that contain a ketone group
- a metal ion required for hemoglobin
- a lipid-soluble steroid hormone
- free monosaccharides dissolved in urine
Show Answer
Correct Answer: A. monosaccharides that contain a ketone group
Fructose is an important ketohexose.
Which option correctly describes Trioses?
- a test used only for protein secondary structure
- monosaccharides containing three carbon atoms
- a reducing sugar with a free anomeric carbon
- a lipid-soluble steroid hormone
Show Answer
Correct Answer: B. monosaccharides containing three carbon atoms
Glyceraldehyde and dihydroxyacetone are trioses.
For exam preparation, Trioses refers to:
- a nucleic acid base found only in DNA
- monosaccharides containing three carbon atoms
- linear polysaccharides made of glucose only
- a non-biological synthetic polymer with no cellular role
Show Answer
Correct Answer: B. monosaccharides containing three carbon atoms
Glyceraldehyde and dihydroxyacetone are trioses.
In chemistry of carbohydrates and lipids, which statement is correct about Trioses?
- long-term DNA storage molecules
- monosaccharides containing three carbon atoms
- a reducing sugar with a free anomeric carbon
- a test used only for protein secondary structure
Show Answer
Correct Answer: B. monosaccharides containing three carbon atoms
Glyceraldehyde and dihydroxyacetone are trioses.
Which option correctly describes Pentoses?
- a test used only for protein secondary structure
- a fat-soluble vitamin carrier only
- monosaccharides containing five carbon atoms
- a reducing sugar with a free anomeric carbon
Show Answer
Correct Answer: C. monosaccharides containing five carbon atoms
Ribose and deoxyribose are biologically important pentoses.
For exam preparation, Pentoses refers to:
- a lipid-soluble steroid hormone
- a reducing sugar with a free anomeric carbon
- long-term DNA storage molecules
- monosaccharides containing five carbon atoms
Show Answer
Correct Answer: D. monosaccharides containing five carbon atoms
Ribose and deoxyribose are biologically important pentoses.
In chemistry of carbohydrates and lipids, which statement is correct about Pentoses?
- enzymes that digest cellulose in humans
- storage polysaccharides of plants
- linear polysaccharides made of glucose only
- monosaccharides containing five carbon atoms
Show Answer
Correct Answer: D. monosaccharides containing five carbon atoms
Ribose and deoxyribose are biologically important pentoses.
Which option correctly describes Hexoses?
- long-term DNA storage molecules
- monosaccharides containing six carbon atoms
- a nucleic acid base found only in DNA
- enzymes that digest cellulose in humans
Show Answer
Correct Answer: B. monosaccharides containing six carbon atoms
Glucose, fructose, galactose and mannose are common hexoses.
For exam preparation, Hexoses refers to:
- a mineral stored mainly in bones
- monosaccharides containing six carbon atoms
- a water-soluble polymer of amino acids
- a nucleic acid base found only in DNA
Show Answer
Correct Answer: B. monosaccharides containing six carbon atoms
Glucose, fructose, galactose and mannose are common hexoses.
In chemistry of carbohydrates and lipids, which statement is correct about Hexoses?
- a non-biological synthetic polymer with no cellular role
- storage polysaccharides of plants
- monosaccharides containing six carbon atoms
- long-term DNA storage molecules
Show Answer
Correct Answer: C. monosaccharides containing six carbon atoms
Glucose, fructose, galactose and mannose are common hexoses.
Which option correctly describes Glucose?
- a metal ion required for hemoglobin
- a water-soluble polymer of amino acids
- an aldohexose and a major blood sugar used for energy
- a test used only for protein secondary structure
Show Answer
Correct Answer: C. an aldohexose and a major blood sugar used for energy
Glucose is the primary fuel for many cells and is central to carbohydrate metabolism.
For exam preparation, Glucose refers to:
- storage polysaccharides of plants
- linear polysaccharides made of glucose only
- an enzyme that hydrolyzes proteins only
- an aldohexose and a major blood sugar used for energy
Show Answer
Correct Answer: D. an aldohexose and a major blood sugar used for energy
Glucose is the primary fuel for many cells and is central to carbohydrate metabolism.
In chemistry of carbohydrates and lipids, which statement is correct about Glucose?
- free monosaccharides dissolved in urine
- an aldohexose and a major blood sugar used for energy
- proteins containing peptide bonds only
- a reducing sugar with a free anomeric carbon
Show Answer
Correct Answer: B. an aldohexose and a major blood sugar used for energy
Glucose is the primary fuel for many cells and is central to carbohydrate metabolism.
Which option correctly describes Fructose?
- a ketohexose commonly found in fruits and honey
- a nucleic acid base found only in DNA
- free monosaccharides dissolved in urine
- long-term DNA storage molecules
Show Answer
Correct Answer: A. a ketohexose commonly found in fruits and honey
Fructose contains a ketone group and has six carbon atoms.
For exam preparation, Fructose refers to:
- a lipid-soluble steroid hormone
- a ketohexose commonly found in fruits and honey
- a peptide made only of amino acids
- a method for sequencing DNA bases
Show Answer
Correct Answer: B. a ketohexose commonly found in fruits and honey
Fructose contains a ketone group and has six carbon atoms.
In chemistry of carbohydrates and lipids, which statement is correct about Fructose?
- a fat-soluble vitamin carrier only
- a ketohexose commonly found in fruits and honey
- free monosaccharides dissolved in urine
- enzymes that digest cellulose in humans
Show Answer
Correct Answer: B. a ketohexose commonly found in fruits and honey
Fructose contains a ketone group and has six carbon atoms.
Which option correctly describes Ribose?
- storage polysaccharides of plants
- an aldopentose present in RNA and many nucleotides
- a reducing sugar with a free anomeric carbon
- a non-biological synthetic polymer with no cellular role
Show Answer
Correct Answer: B. an aldopentose present in RNA and many nucleotides
Ribose is a key sugar in RNA, ATP and several coenzymes.
For exam preparation, Ribose refers to:
- a non-biological synthetic polymer with no cellular role
- free monosaccharides dissolved in urine
- linear polysaccharides made of glucose only
- an aldopentose present in RNA and many nucleotides
Show Answer
Correct Answer: D. an aldopentose present in RNA and many nucleotides
Ribose is a key sugar in RNA, ATP and several coenzymes.
In chemistry of carbohydrates and lipids, which statement is correct about Ribose?
- an aldopentose present in RNA and many nucleotides
- a mineral stored mainly in bones
- a test used only for protein secondary structure
- a water-soluble polymer of amino acids
Show Answer
Correct Answer: A. an aldopentose present in RNA and many nucleotides
Ribose is a key sugar in RNA, ATP and several coenzymes.
Which option correctly describes Glyceraldehyde?
- a water-soluble polymer of amino acids
- enzymes that digest cellulose in humans
- the simplest aldose with one chiral carbon
- a method for sequencing DNA bases
Show Answer
Correct Answer: C. the simplest aldose with one chiral carbon
It is commonly used as a reference compound for D and L configuration.
For exam preparation, Glyceraldehyde refers to:
- linear polysaccharides made of glucose only
- a reducing sugar with a free anomeric carbon
- storage polysaccharides of plants
- the simplest aldose with one chiral carbon
Show Answer
Correct Answer: D. the simplest aldose with one chiral carbon
It is commonly used as a reference compound for D and L configuration.
In chemistry of carbohydrates and lipids, which statement is correct about Glyceraldehyde?
- a nucleic acid base found only in DNA
- proteins containing peptide bonds only
- the simplest aldose with one chiral carbon
- a mineral stored mainly in bones
Show Answer
Correct Answer: C. the simplest aldose with one chiral carbon
It is commonly used as a reference compound for D and L configuration.
Which option correctly describes D and L configuration of sugars?
- an enzyme that hydrolyzes proteins only
- enzymes that digest cellulose in humans
- free monosaccharides dissolved in urine
- configuration based on the chiral carbon farthest from the carbonyl group
Show Answer
Correct Answer: D. configuration based on the chiral carbon farthest from the carbonyl group
In Fischer projections, this carbon is compared with D- or L-glyceraldehyde.
For exam preparation, D and L configuration of sugars refers to:
- proteins containing peptide bonds only
- a nucleic acid base found only in DNA
- configuration based on the chiral carbon farthest from the carbonyl group
- storage polysaccharides of plants
Show Answer
Correct Answer: C. configuration based on the chiral carbon farthest from the carbonyl group
In Fischer projections, this carbon is compared with D- or L-glyceraldehyde.
In chemistry of carbohydrates and lipids, which statement is correct about D and L configuration of sugars?
- a reducing sugar with a free anomeric carbon
- a mineral stored mainly in bones
- free monosaccharides dissolved in urine
- configuration based on the chiral carbon farthest from the carbonyl group
Show Answer
Correct Answer: D. configuration based on the chiral carbon farthest from the carbonyl group
In Fischer projections, this carbon is compared with D- or L-glyceraldehyde.
Which option correctly describes Epimers?
- a lipid-soluble steroid hormone
- a reducing sugar with a free anomeric carbon
- free monosaccharides dissolved in urine
- sugars that differ in configuration at only one chiral carbon
Show Answer
Correct Answer: D. sugars that differ in configuration at only one chiral carbon
Glucose and galactose are epimers at carbon 4.
For exam preparation, Epimers refers to:
- a method for sequencing DNA bases
- storage polysaccharides of plants
- proteins containing peptide bonds only
- sugars that differ in configuration at only one chiral carbon
Show Answer
Correct Answer: D. sugars that differ in configuration at only one chiral carbon
Glucose and galactose are epimers at carbon 4.
In chemistry of carbohydrates and lipids, which statement is correct about Epimers?
- sugars that differ in configuration at only one chiral carbon
- a nucleic acid base found only in DNA
- an enzyme that hydrolyzes proteins only
- a method for sequencing DNA bases
Show Answer
Correct Answer: A. sugars that differ in configuration at only one chiral carbon
Glucose and galactose are epimers at carbon 4.
Which option correctly describes Glucose and galactose?
- a water-soluble polymer of amino acids
- long-term DNA storage molecules
- C-4 epimers
- an enzyme that hydrolyzes proteins only
Show Answer
Correct Answer: C. C-4 epimers
They differ in configuration around the fourth carbon atom.
For exam preparation, Glucose and galactose refers to:
- storage polysaccharides of plants
- a metal ion required for hemoglobin
- C-4 epimers
- a nucleic acid base found only in DNA
Show Answer
Correct Answer: C. C-4 epimers
They differ in configuration around the fourth carbon atom.
In chemistry of carbohydrates and lipids, which statement is correct about Glucose and galactose?
- storage polysaccharides of plants
- linear polysaccharides made of glucose only
- a metal ion required for hemoglobin
- C-4 epimers
Show Answer
Correct Answer: D. C-4 epimers
They differ in configuration around the fourth carbon atom.
Which option correctly describes Glucose and mannose?
- a fat-soluble vitamin carrier only
- C-2 epimers
- a peptide made only of amino acids
- a non-biological synthetic polymer with no cellular role
Show Answer
Correct Answer: B. C-2 epimers
They differ in configuration around the second carbon atom.
For exam preparation, Glucose and mannose refers to:
- linear polysaccharides made of glucose only
- storage polysaccharides of plants
- a metal ion required for hemoglobin
- C-2 epimers
Show Answer
Correct Answer: D. C-2 epimers
They differ in configuration around the second carbon atom.
In chemistry of carbohydrates and lipids, which statement is correct about Glucose and mannose?
- C-2 epimers
- a non-biological synthetic polymer with no cellular role
- enzymes that digest cellulose in humans
- a water-soluble polymer of amino acids
Show Answer
Correct Answer: A. C-2 epimers
They differ in configuration around the second carbon atom.
Which option correctly describes Anomers?
- a peptide made only of amino acids
- a lipid-soluble steroid hormone
- cyclic sugar forms that differ at the anomeric carbon
- a test used only for protein secondary structure
Show Answer
Correct Answer: C. cyclic sugar forms that differ at the anomeric carbon
Alpha and beta forms of glucose are anomers.
For exam preparation, Anomers refers to:
- a reducing sugar with a free anomeric carbon
- cyclic sugar forms that differ at the anomeric carbon
- linear polysaccharides made of glucose only
- storage polysaccharides of plants
Show Answer
Correct Answer: B. cyclic sugar forms that differ at the anomeric carbon
Alpha and beta forms of glucose are anomers.
In chemistry of carbohydrates and lipids, which statement is correct about Anomers?
- a nucleic acid base found only in DNA
- a non-biological synthetic polymer with no cellular role
- cyclic sugar forms that differ at the anomeric carbon
- free monosaccharides dissolved in urine
Show Answer
Correct Answer: C. cyclic sugar forms that differ at the anomeric carbon
Alpha and beta forms of glucose are anomers.
Which option correctly describes Alpha-D-glucose in Haworth projection?
- the anomeric hydroxyl group is opposite to the CH2OH group
- storage polysaccharides of plants
- long-term DNA storage molecules
- a peptide made only of amino acids
Show Answer
Correct Answer: A. the anomeric hydroxyl group is opposite to the CH2OH group
For D-sugars, alpha commonly means the anomeric OH is drawn down while CH2OH is up.
For exam preparation, Alpha-D-glucose in Haworth projection refers to:
- an enzyme that hydrolyzes proteins only
- linear polysaccharides made of glucose only
- the anomeric hydroxyl group is opposite to the CH2OH group
- a reducing sugar with a free anomeric carbon
Show Answer
Correct Answer: C. the anomeric hydroxyl group is opposite to the CH2OH group
For D-sugars, alpha commonly means the anomeric OH is drawn down while CH2OH is up.
In chemistry of carbohydrates and lipids, which statement is correct about Alpha-D-glucose in Haworth projection?
- long-term DNA storage molecules
- the anomeric hydroxyl group is opposite to the CH2OH group
- a non-biological synthetic polymer with no cellular role
- proteins containing peptide bonds only
Show Answer
Correct Answer: B. the anomeric hydroxyl group is opposite to the CH2OH group
For D-sugars, alpha commonly means the anomeric OH is drawn down while CH2OH is up.
Which option correctly describes Beta-D-glucose in Haworth projection?
- the anomeric hydroxyl group is on the same side as the CH2OH group
- a fat-soluble vitamin carrier only
- a method for sequencing DNA bases
- an enzyme that hydrolyzes proteins only
Show Answer
Correct Answer: A. the anomeric hydroxyl group is on the same side as the CH2OH group
For D-sugars, beta commonly means both anomeric OH and CH2OH are on the same side.
For exam preparation, Beta-D-glucose in Haworth projection refers to:
- the anomeric hydroxyl group is on the same side as the CH2OH group
- a peptide made only of amino acids
- a nucleic acid base found only in DNA
- proteins containing peptide bonds only
Show Answer
Correct Answer: A. the anomeric hydroxyl group is on the same side as the CH2OH group
For D-sugars, beta commonly means both anomeric OH and CH2OH are on the same side.
In chemistry of carbohydrates and lipids, which statement is correct about Beta-D-glucose in Haworth projection?
- a fat-soluble vitamin carrier only
- the anomeric hydroxyl group is on the same side as the CH2OH group
- free monosaccharides dissolved in urine
- a lipid-soluble steroid hormone
Show Answer
Correct Answer: B. the anomeric hydroxyl group is on the same side as the CH2OH group
For D-sugars, beta commonly means both anomeric OH and CH2OH are on the same side.
Which option correctly describes Mutarotation?
- a lipid-soluble steroid hormone
- a method for sequencing DNA bases
- a test used only for protein secondary structure
- interconversion of alpha and beta anomers through the open-chain form
Show Answer
Correct Answer: D. interconversion of alpha and beta anomers through the open-chain form
Mutarotation changes optical rotation until equilibrium is reached.
For exam preparation, Mutarotation refers to:
- interconversion of alpha and beta anomers through the open-chain form
- an enzyme that hydrolyzes proteins only
- storage polysaccharides of plants
- a fat-soluble vitamin carrier only
Show Answer
Correct Answer: A. interconversion of alpha and beta anomers through the open-chain form
Mutarotation changes optical rotation until equilibrium is reached.
In chemistry of carbohydrates and lipids, which statement is correct about Mutarotation?
- long-term DNA storage molecules
- interconversion of alpha and beta anomers through the open-chain form
- free monosaccharides dissolved in urine
- proteins containing peptide bonds only
Show Answer
Correct Answer: B. interconversion of alpha and beta anomers through the open-chain form
Mutarotation changes optical rotation until equilibrium is reached.
Which option correctly describes Reducing sugars?
- proteins containing peptide bonds only
- a metal ion required for hemoglobin
- a mineral stored mainly in bones
- sugars with a free anomeric carbon capable of reducing mild oxidizing agents
Show Answer
Correct Answer: D. sugars with a free anomeric carbon capable of reducing mild oxidizing agents
Glucose, lactose and maltose are reducing sugars.
For exam preparation, Reducing sugars refers to:
- a mineral stored mainly in bones
- a fat-soluble vitamin carrier only
- a metal ion required for hemoglobin
- sugars with a free anomeric carbon capable of reducing mild oxidizing agents
Show Answer
Correct Answer: D. sugars with a free anomeric carbon capable of reducing mild oxidizing agents
Glucose, lactose and maltose are reducing sugars.
In chemistry of carbohydrates and lipids, which statement is correct about Reducing sugars?
- a reducing sugar with a free anomeric carbon
- a mineral stored mainly in bones
- sugars with a free anomeric carbon capable of reducing mild oxidizing agents
- a method for sequencing DNA bases
Show Answer
Correct Answer: C. sugars with a free anomeric carbon capable of reducing mild oxidizing agents
Glucose, lactose and maltose are reducing sugars.
Which option correctly describes Benedict's test?
- a process that produces steroid hormones directly
- a test used to detect reducing sugars
- storage polysaccharides of plants
- proteins containing peptide bonds only
Show Answer
Correct Answer: B. a test used to detect reducing sugars
A positive result forms a colored precipitate due to reduction of copper ions.
For exam preparation, Benedict's test refers to:
- a reaction unrelated to carbohydrates or lipids
- a pathway for synthesizing hemoglobin
- proteins containing peptide bonds only
- a test used to detect reducing sugars
Show Answer
Correct Answer: D. a test used to detect reducing sugars
A positive result forms a colored precipitate due to reduction of copper ions.
In chemistry of carbohydrates and lipids, which statement is correct about Benedict's test?
- storage polysaccharides of plants
- a test used to detect reducing sugars
- a method for sequencing DNA bases
- a reaction unrelated to carbohydrates or lipids
Show Answer
Correct Answer: B. a test used to detect reducing sugars
A positive result forms a colored precipitate due to reduction of copper ions.
Which option correctly describes Sucrose?
- a lipid-soluble steroid hormone
- a fat-soluble vitamin carrier only
- a non-reducing disaccharide of glucose and fructose
- a water-soluble polymer of amino acids
Show Answer
Correct Answer: C. a non-reducing disaccharide of glucose and fructose
Its two anomeric carbons are involved in the glycosidic bond, so it is non-reducing.
For exam preparation, Sucrose refers to:
- a non-reducing disaccharide of glucose and fructose
- a peptide made only of amino acids
- enzymes that digest cellulose in humans
- a fat-soluble vitamin carrier only
Show Answer
Correct Answer: A. a non-reducing disaccharide of glucose and fructose
Its two anomeric carbons are involved in the glycosidic bond, so it is non-reducing.
In chemistry of carbohydrates and lipids, which statement is correct about Sucrose?
- a method for sequencing DNA bases
- a non-reducing disaccharide of glucose and fructose
- enzymes that digest cellulose in humans
- linear polysaccharides made of glucose only
Show Answer
Correct Answer: B. a non-reducing disaccharide of glucose and fructose
Its two anomeric carbons are involved in the glycosidic bond, so it is non-reducing.
Which option correctly describes Maltose?
- a reducing disaccharide made of two glucose units
- a lipid-soluble steroid hormone
- enzymes that digest cellulose in humans
- long-term DNA storage molecules
Show Answer
Correct Answer: A. a reducing disaccharide made of two glucose units
Maltose contains an alpha-1,4 glycosidic linkage.
For exam preparation, Maltose refers to:
- storage polysaccharides of plants
- a lipid-soluble steroid hormone
- a reducing disaccharide made of two glucose units
- enzymes that digest cellulose in humans
Show Answer
Correct Answer: C. a reducing disaccharide made of two glucose units
Maltose contains an alpha-1,4 glycosidic linkage.
In chemistry of carbohydrates and lipids, which statement is correct about Maltose?
- a reducing disaccharide made of two glucose units
- a reducing sugar with a free anomeric carbon
- a test used only for protein secondary structure
- a metal ion required for hemoglobin
Show Answer
Correct Answer: A. a reducing disaccharide made of two glucose units
Maltose contains an alpha-1,4 glycosidic linkage.
Which option correctly describes Lactose?
- a reducing disaccharide made of galactose and glucose
- a metal ion required for hemoglobin
- linear polysaccharides made of glucose only
- a lipid-soluble steroid hormone
Show Answer
Correct Answer: A. a reducing disaccharide made of galactose and glucose
Lactose is the main sugar in milk.
For exam preparation, Lactose refers to:
- a lipid-soluble steroid hormone
- a non-biological synthetic polymer with no cellular role
- enzymes that digest cellulose in humans
- a reducing disaccharide made of galactose and glucose
Show Answer
Correct Answer: D. a reducing disaccharide made of galactose and glucose
Lactose is the main sugar in milk.
In chemistry of carbohydrates and lipids, which statement is correct about Lactose?
- free monosaccharides dissolved in urine
- a reducing disaccharide made of galactose and glucose
- a peptide made only of amino acids
- a non-biological synthetic polymer with no cellular role
Show Answer
Correct Answer: B. a reducing disaccharide made of galactose and glucose
Lactose is the main sugar in milk.
Which option correctly describes The composition of sucrose?
- a method for sequencing DNA bases
- glucose and fructose
- free monosaccharides dissolved in urine
- a reducing sugar with a free anomeric carbon
Show Answer
Correct Answer: B. glucose and fructose
Sucrose is formed from alpha-D-glucose and beta-D-fructose.
For exam preparation, The composition of sucrose refers to:
- a metal ion required for hemoglobin
- a water-soluble polymer of amino acids
- glucose and fructose
- a reducing sugar with a free anomeric carbon
Show Answer
Correct Answer: C. glucose and fructose
Sucrose is formed from alpha-D-glucose and beta-D-fructose.
In chemistry of carbohydrates and lipids, which statement is correct about The composition of sucrose?
- a nucleic acid base found only in DNA
- a reducing sugar with a free anomeric carbon
- a water-soluble polymer of amino acids
- glucose and fructose
Show Answer
Correct Answer: D. glucose and fructose
Sucrose is formed from alpha-D-glucose and beta-D-fructose.
Which option correctly describes Starch?
- storage polysaccharides of plants
- a peptide made only of amino acids
- a test used only for protein secondary structure
- the main storage polysaccharide in plants
Show Answer
Correct Answer: D. the main storage polysaccharide in plants
Starch consists mainly of amylose and amylopectin.
For exam preparation, Starch refers to:
- a fat-soluble vitamin carrier only
- a metal ion required for hemoglobin
- a reducing sugar with a free anomeric carbon
- the main storage polysaccharide in plants
Show Answer
Correct Answer: D. the main storage polysaccharide in plants
Starch consists mainly of amylose and amylopectin.
In chemistry of carbohydrates and lipids, which statement is correct about Starch?
- a peptide made only of amino acids
- the main storage polysaccharide in plants
- a fat-soluble vitamin carrier only
- a method for sequencing DNA bases
Show Answer
Correct Answer: B. the main storage polysaccharide in plants
Starch consists mainly of amylose and amylopectin.
Which option correctly describes Glycogen?
- linear polysaccharides made of glucose only
- a lipid-soluble steroid hormone
- storage polysaccharides of plants
- the main storage polysaccharide in animals
Show Answer
Correct Answer: D. the main storage polysaccharide in animals
It is highly branched and stored mainly in liver and muscle.
For exam preparation, Glycogen refers to:
- a lipid-soluble steroid hormone
- the main storage polysaccharide in animals
- a metal ion required for hemoglobin
- a mineral stored mainly in bones
Show Answer
Correct Answer: B. the main storage polysaccharide in animals
It is highly branched and stored mainly in liver and muscle.
In chemistry of carbohydrates and lipids, which statement is correct about Glycogen?
- linear polysaccharides made of glucose only
- a water-soluble polymer of amino acids
- the main storage polysaccharide in animals
- a metal ion required for hemoglobin
Show Answer
Correct Answer: C. the main storage polysaccharide in animals
It is highly branched and stored mainly in liver and muscle.
Which option correctly describes Cellulose?
- a reducing sugar with a free anomeric carbon
- a structural polysaccharide made of beta-1,4-linked glucose units
- proteins containing peptide bonds only
- a water-soluble polymer of amino acids
Show Answer
Correct Answer: B. a structural polysaccharide made of beta-1,4-linked glucose units
Humans cannot digest cellulose because they lack cellulase.
For exam preparation, Cellulose refers to:
- a non-biological synthetic polymer with no cellular role
- a structural polysaccharide made of beta-1,4-linked glucose units
- storage polysaccharides of plants
- enzymes that digest cellulose in humans
Show Answer
Correct Answer: B. a structural polysaccharide made of beta-1,4-linked glucose units
Humans cannot digest cellulose because they lack cellulase.
In chemistry of carbohydrates and lipids, which statement is correct about Cellulose?
- a water-soluble polymer of amino acids
- proteins containing peptide bonds only
- a structural polysaccharide made of beta-1,4-linked glucose units
- an enzyme that hydrolyzes proteins only
Show Answer
Correct Answer: C. a structural polysaccharide made of beta-1,4-linked glucose units
Humans cannot digest cellulose because they lack cellulase.
Which option correctly describes Amylose?
- a nucleic acid base found only in DNA
- a reducing sugar with a free anomeric carbon
- storage polysaccharides of plants
- a mostly linear starch component with alpha-1,4 glycosidic bonds
Show Answer
Correct Answer: D. a mostly linear starch component with alpha-1,4 glycosidic bonds
Amylose forms helical chains and is less branched than amylopectin.
For exam preparation, Amylose refers to:
- a fat-soluble vitamin carrier only
- a mineral stored mainly in bones
- a mostly linear starch component with alpha-1,4 glycosidic bonds
- a lipid-soluble steroid hormone
Show Answer
Correct Answer: C. a mostly linear starch component with alpha-1,4 glycosidic bonds
Amylose forms helical chains and is less branched than amylopectin.
In chemistry of carbohydrates and lipids, which statement is correct about Amylose?
- a reducing sugar with a free anomeric carbon
- a mostly linear starch component with alpha-1,4 glycosidic bonds
- a metal ion required for hemoglobin
- a method for sequencing DNA bases
Show Answer
Correct Answer: B. a mostly linear starch component with alpha-1,4 glycosidic bonds
Amylose forms helical chains and is less branched than amylopectin.
Which option correctly describes Amylopectin?
- a mineral stored mainly in bones
- a branched starch component with alpha-1,4 and alpha-1,6 linkages
- a test used only for protein secondary structure
- a peptide made only of amino acids
Show Answer
Correct Answer: B. a branched starch component with alpha-1,4 and alpha-1,6 linkages
Alpha-1,6 linkages create branch points in amylopectin.
For exam preparation, Amylopectin refers to:
- a test used only for protein secondary structure
- a water-soluble polymer of amino acids
- a nucleic acid base found only in DNA
- a branched starch component with alpha-1,4 and alpha-1,6 linkages
Show Answer
Correct Answer: D. a branched starch component with alpha-1,4 and alpha-1,6 linkages
Alpha-1,6 linkages create branch points in amylopectin.
In chemistry of carbohydrates and lipids, which statement is correct about Amylopectin?
- a branched starch component with alpha-1,4 and alpha-1,6 linkages
- a metal ion required for hemoglobin
- a peptide made only of amino acids
- a mineral stored mainly in bones
Show Answer
Correct Answer: A. a branched starch component with alpha-1,4 and alpha-1,6 linkages
Alpha-1,6 linkages create branch points in amylopectin.
Which option correctly describes Glycogen compared with amylopectin?
- a method for sequencing DNA bases
- storage polysaccharides of plants
- a test used only for protein secondary structure
- glycogen is more highly branched
Show Answer
Correct Answer: D. glycogen is more highly branched
Greater branching helps glycogen release glucose rapidly when needed.
For exam preparation, Glycogen compared with amylopectin refers to:
- a peptide made only of amino acids
- glycogen is more highly branched
- storage polysaccharides of plants
- enzymes that digest cellulose in humans
Show Answer
Correct Answer: B. glycogen is more highly branched
Greater branching helps glycogen release glucose rapidly when needed.
In chemistry of carbohydrates and lipids, which statement is correct about Glycogen compared with amylopectin?
- a peptide made only of amino acids
- long-term DNA storage molecules
- glycogen is more highly branched
- a metal ion required for hemoglobin
Show Answer
Correct Answer: C. glycogen is more highly branched
Greater branching helps glycogen release glucose rapidly when needed.
Which option correctly describes Chitin?
- a reducing sugar with a free anomeric carbon
- a peptide made only of amino acids
- a test used only for protein secondary structure
- a structural polysaccharide made of N-acetylglucosamine units
Show Answer
Correct Answer: D. a structural polysaccharide made of N-acetylglucosamine units
Chitin is found in arthropod exoskeletons and fungal cell walls.
For exam preparation, Chitin refers to:
- a test used only for protein secondary structure
- a peptide made only of amino acids
- a lipid-soluble steroid hormone
- a structural polysaccharide made of N-acetylglucosamine units
Show Answer
Correct Answer: D. a structural polysaccharide made of N-acetylglucosamine units
Chitin is found in arthropod exoskeletons and fungal cell walls.
In chemistry of carbohydrates and lipids, which statement is correct about Chitin?
- a nucleic acid base found only in DNA
- storage polysaccharides of plants
- linear polysaccharides made of glucose only
- a structural polysaccharide made of N-acetylglucosamine units
Show Answer
Correct Answer: D. a structural polysaccharide made of N-acetylglucosamine units
Chitin is found in arthropod exoskeletons and fungal cell walls.
Which option correctly describes Glycosidic bond?
- proteins containing peptide bonds only
- a covalent bond joining a sugar to another sugar or molecule
- a nucleic acid base found only in DNA
- a method for sequencing DNA bases
Show Answer
Correct Answer: B. a covalent bond joining a sugar to another sugar or molecule
Glycosidic bonds form disaccharides, oligosaccharides and polysaccharides.
For exam preparation, Glycosidic bond refers to:
- a peptide made only of amino acids
- a test used only for protein secondary structure
- a covalent bond joining a sugar to another sugar or molecule
- a lipid-soluble steroid hormone
Show Answer
Correct Answer: C. a covalent bond joining a sugar to another sugar or molecule
Glycosidic bonds form disaccharides, oligosaccharides and polysaccharides.
In chemistry of carbohydrates and lipids, which statement is correct about Glycosidic bond?
- a lipid-soluble steroid hormone
- enzymes that digest cellulose in humans
- a peptide made only of amino acids
- a covalent bond joining a sugar to another sugar or molecule
Show Answer
Correct Answer: D. a covalent bond joining a sugar to another sugar or molecule
Glycosidic bonds form disaccharides, oligosaccharides and polysaccharides.
Which option correctly describes Glycosides?
- compounds containing a sugar part and a non-sugar aglycone part
- a lipid-soluble steroid hormone
- a fat-soluble vitamin carrier only
- a water-soluble polymer of amino acids
Show Answer
Correct Answer: A. compounds containing a sugar part and a non-sugar aglycone part
Many plant compounds and drugs occur as glycosides.
For exam preparation, Glycosides refers to:
- a water-soluble polymer of amino acids
- compounds containing a sugar part and a non-sugar aglycone part
- a method for sequencing DNA bases
- a test used only for protein secondary structure
Show Answer
Correct Answer: B. compounds containing a sugar part and a non-sugar aglycone part
Many plant compounds and drugs occur as glycosides.
In chemistry of carbohydrates and lipids, which statement is correct about Glycosides?
- storage polysaccharides of plants
- an enzyme that hydrolyzes proteins only
- compounds containing a sugar part and a non-sugar aglycone part
- long-term DNA storage molecules
Show Answer
Correct Answer: C. compounds containing a sugar part and a non-sugar aglycone part
Many plant compounds and drugs occur as glycosides.
Which option correctly describes Glycoproteins?
- a non-biological synthetic polymer with no cellular role
- proteins containing peptide bonds only
- proteins with covalently attached carbohydrate chains
- an enzyme that hydrolyzes proteins only
Show Answer
Correct Answer: C. proteins with covalently attached carbohydrate chains
They are important in cell recognition, immunity and membrane functions.
For exam preparation, Glycoproteins refers to:
- a non-biological synthetic polymer with no cellular role
- proteins with covalently attached carbohydrate chains
- a peptide made only of amino acids
- a metal ion required for hemoglobin
Show Answer
Correct Answer: B. proteins with covalently attached carbohydrate chains
They are important in cell recognition, immunity and membrane functions.
In chemistry of carbohydrates and lipids, which statement is correct about Glycoproteins?
- a test used only for protein secondary structure
- free monosaccharides dissolved in urine
- a water-soluble polymer of amino acids
- proteins with covalently attached carbohydrate chains
Show Answer
Correct Answer: D. proteins with covalently attached carbohydrate chains
They are important in cell recognition, immunity and membrane functions.
Which option correctly describes Proteoglycans?
- a lipid-soluble steroid hormone
- storage polysaccharides of plants
- a nucleic acid base found only in DNA
- macromolecules rich in glycosaminoglycan chains attached to protein
Show Answer
Correct Answer: D. macromolecules rich in glycosaminoglycan chains attached to protein
They support extracellular matrix structure and hydration.
For exam preparation, Proteoglycans refers to:
- a nucleic acid base found only in DNA
- macromolecules rich in glycosaminoglycan chains attached to protein
- a test used only for protein secondary structure
- a mineral stored mainly in bones
Show Answer
Correct Answer: B. macromolecules rich in glycosaminoglycan chains attached to protein
They support extracellular matrix structure and hydration.
In chemistry of carbohydrates and lipids, which statement is correct about Proteoglycans?
- an enzyme that hydrolyzes proteins only
- a non-biological synthetic polymer with no cellular role
- a nucleic acid base found only in DNA
- macromolecules rich in glycosaminoglycan chains attached to protein
Show Answer
Correct Answer: D. macromolecules rich in glycosaminoglycan chains attached to protein
They support extracellular matrix structure and hydration.
Which option correctly describes Glycosaminoglycans?
- negatively charged repeating disaccharide chains
- free monosaccharides dissolved in urine
- a water-soluble polymer of amino acids
- a non-biological synthetic polymer with no cellular role
Show Answer
Correct Answer: A. negatively charged repeating disaccharide chains
They include hyaluronic acid, chondroitin sulfate and heparin.
For exam preparation, Glycosaminoglycans refers to:
- negatively charged repeating disaccharide chains
- linear polysaccharides made of glucose only
- a method for sequencing DNA bases
- a mineral stored mainly in bones
Show Answer
Correct Answer: A. negatively charged repeating disaccharide chains
They include hyaluronic acid, chondroitin sulfate and heparin.
In chemistry of carbohydrates and lipids, which statement is correct about Glycosaminoglycans?
- a non-biological synthetic polymer with no cellular role
- linear polysaccharides made of glucose only
- negatively charged repeating disaccharide chains
- an enzyme that hydrolyzes proteins only
Show Answer
Correct Answer: C. negatively charged repeating disaccharide chains
They include hyaluronic acid, chondroitin sulfate and heparin.
Which option correctly describes Hyaluronic acid?
- long-term DNA storage molecules
- a nucleic acid base found only in DNA
- a glycosaminoglycan important in extracellular matrix and joint fluid
- enzymes that digest cellulose in humans
Show Answer
Correct Answer: C. a glycosaminoglycan important in extracellular matrix and joint fluid
It contributes to viscosity, lubrication and tissue hydration.
For exam preparation, Hyaluronic acid refers to:
- a test used only for protein secondary structure
- a reducing sugar with a free anomeric carbon
- a non-biological synthetic polymer with no cellular role
- a glycosaminoglycan important in extracellular matrix and joint fluid
Show Answer
Correct Answer: D. a glycosaminoglycan important in extracellular matrix and joint fluid
It contributes to viscosity, lubrication and tissue hydration.
In chemistry of carbohydrates and lipids, which statement is correct about Hyaluronic acid?
- a mineral stored mainly in bones
- long-term DNA storage molecules
- a lipid-soluble steroid hormone
- a glycosaminoglycan important in extracellular matrix and joint fluid
Show Answer
Correct Answer: D. a glycosaminoglycan important in extracellular matrix and joint fluid
It contributes to viscosity, lubrication and tissue hydration.
Which option correctly describes Blood group antigens?
- an enzyme that hydrolyzes proteins only
- long-term DNA storage molecules
- carbohydrate-containing structures present on red blood cell surfaces
- a reducing sugar with a free anomeric carbon
Show Answer
Correct Answer: C. carbohydrate-containing structures present on red blood cell surfaces
ABO antigens are based on specific terminal sugars.
For exam preparation, Blood group antigens refers to:
- long-term DNA storage molecules
- carbohydrate-containing structures present on red blood cell surfaces
- a water-soluble polymer of amino acids
- proteins containing peptide bonds only
Show Answer
Correct Answer: B. carbohydrate-containing structures present on red blood cell surfaces
ABO antigens are based on specific terminal sugars.
In chemistry of carbohydrates and lipids, which statement is correct about Blood group antigens?
- carbohydrate-containing structures present on red blood cell surfaces
- a fat-soluble vitamin carrier only
- an enzyme that hydrolyzes proteins only
- a method for sequencing DNA bases
Show Answer
Correct Answer: A. carbohydrate-containing structures present on red blood cell surfaces
ABO antigens are based on specific terminal sugars.
Which option correctly describes ABO blood group differences?
- a lipid-soluble steroid hormone
- differences in terminal carbohydrate residues on cell-surface antigens
- free monosaccharides dissolved in urine
- a peptide made only of amino acids
Show Answer
Correct Answer: B. differences in terminal carbohydrate residues on cell-surface antigens
A, B and O blood groups differ by specific glycosyltransferase products.
For exam preparation, ABO blood group differences refers to:
- a metal ion required for hemoglobin
- a mineral stored mainly in bones
- differences in terminal carbohydrate residues on cell-surface antigens
- an enzyme that hydrolyzes proteins only
Show Answer
Correct Answer: C. differences in terminal carbohydrate residues on cell-surface antigens
A, B and O blood groups differ by specific glycosyltransferase products.
In chemistry of carbohydrates and lipids, which statement is correct about ABO blood group differences?
- differences in terminal carbohydrate residues on cell-surface antigens
- a reducing sugar with a free anomeric carbon
- a mineral stored mainly in bones
- linear polysaccharides made of glucose only
Show Answer
Correct Answer: A. differences in terminal carbohydrate residues on cell-surface antigens
A, B and O blood groups differ by specific glycosyltransferase products.
Which option correctly describes Group O blood antigen?
- a lipid-soluble steroid hormone
- enzymes that digest cellulose in humans
- the H antigen without added A or B terminal sugar
- free monosaccharides dissolved in urine
Show Answer
Correct Answer: C. the H antigen without added A or B terminal sugar
Group O cells lack the terminal sugars that define A and B antigens.
For exam preparation, Group O blood antigen refers to:
- an enzyme that hydrolyzes proteins only
- the H antigen without added A or B terminal sugar
- a test used only for protein secondary structure
- a non-biological synthetic polymer with no cellular role
Show Answer
Correct Answer: B. the H antigen without added A or B terminal sugar
Group O cells lack the terminal sugars that define A and B antigens.
In chemistry of carbohydrates and lipids, which statement is correct about Group O blood antigen?
- free monosaccharides dissolved in urine
- the H antigen without added A or B terminal sugar
- a mineral stored mainly in bones
- a fat-soluble vitamin carrier only
Show Answer
Correct Answer: B. the H antigen without added A or B terminal sugar
Group O cells lack the terminal sugars that define A and B antigens.
Which option correctly describes Carbohydrates in blood transfusion?
- they help determine ABO compatibility through cell-surface antigens
- enzymes that digest cellulose in humans
- a reducing sugar with a free anomeric carbon
- an enzyme that hydrolyzes proteins only
Show Answer
Correct Answer: A. they help determine ABO compatibility through cell-surface antigens
Incorrect ABO matching can trigger severe immune reactions.
For exam preparation, Carbohydrates in blood transfusion refers to:
- proteins containing peptide bonds only
- they help determine ABO compatibility through cell-surface antigens
- a lipid-soluble steroid hormone
- a mineral stored mainly in bones
Show Answer
Correct Answer: B. they help determine ABO compatibility through cell-surface antigens
Incorrect ABO matching can trigger severe immune reactions.
In chemistry of carbohydrates and lipids, which statement is correct about Carbohydrates in blood transfusion?
- a mineral stored mainly in bones
- a reducing sugar with a free anomeric carbon
- a water-soluble polymer of amino acids
- they help determine ABO compatibility through cell-surface antigens
Show Answer
Correct Answer: D. they help determine ABO compatibility through cell-surface antigens
Incorrect ABO matching can trigger severe immune reactions.
Which option correctly describes Carbohydrate recognition?
- free monosaccharides dissolved in urine
- a process important in cell signaling, adhesion and immune response
- enzymes that digest cellulose in humans
- an enzyme that hydrolyzes proteins only
Show Answer
Correct Answer: B. a process important in cell signaling, adhesion and immune response
Cell-surface carbohydrates act as biological recognition markers.
For exam preparation, Carbohydrate recognition refers to:
- free monosaccharides dissolved in urine
- a process important in cell signaling, adhesion and immune response
- a method for sequencing DNA bases
- proteins containing peptide bonds only
Show Answer
Correct Answer: B. a process important in cell signaling, adhesion and immune response
Cell-surface carbohydrates act as biological recognition markers.
In chemistry of carbohydrates and lipids, which statement is correct about Carbohydrate recognition?
- free monosaccharides dissolved in urine
- enzymes that digest cellulose in humans
- a process important in cell signaling, adhesion and immune response
- a metal ion required for hemoglobin
Show Answer
Correct Answer: C. a process important in cell signaling, adhesion and immune response
Cell-surface carbohydrates act as biological recognition markers.
Which option correctly describes Qualitative carbohydrate analysis?
- identification of the type or class of carbohydrate present
- a test used only for protein secondary structure
- a method for sequencing DNA bases
- storage polysaccharides of plants
Show Answer
Correct Answer: A. identification of the type or class of carbohydrate present
Tests such as Molisch, Benedict and iodine tests are commonly used.
For exam preparation, Qualitative carbohydrate analysis refers to:
- a membrane receptor for insulin only
- a method for sequencing DNA bases
- a peptide made only of amino acids
- identification of the type or class of carbohydrate present
Show Answer
Correct Answer: D. identification of the type or class of carbohydrate present
Tests such as Molisch, Benedict and iodine tests are commonly used.
In chemistry of carbohydrates and lipids, which statement is correct about Qualitative carbohydrate analysis?
- a lipoprotein that transports cholesterol only
- a pathway for synthesizing hemoglobin
- long-term DNA storage molecules
- identification of the type or class of carbohydrate present
Show Answer
Correct Answer: D. identification of the type or class of carbohydrate present
Tests such as Molisch, Benedict and iodine tests are commonly used.
Which option correctly describes Quantitative carbohydrate analysis?
- storage polysaccharides of plants
- linear polysaccharides made of glucose only
- a mineralization test for bone calcium
- measurement of the amount or concentration of carbohydrate
Show Answer
Correct Answer: D. measurement of the amount or concentration of carbohydrate
It is used in biochemical, clinical and food analysis.
For exam preparation, Quantitative carbohydrate analysis refers to:
- a method for sequencing DNA bases
- a mineralization test for bone calcium
- a test used only for protein secondary structure
- measurement of the amount or concentration of carbohydrate
Show Answer
Correct Answer: D. measurement of the amount or concentration of carbohydrate
It is used in biochemical, clinical and food analysis.
In chemistry of carbohydrates and lipids, which statement is correct about Quantitative carbohydrate analysis?
- storage polysaccharides of plants
- a mineralization test for bone calcium
- free monosaccharides dissolved in urine
- measurement of the amount or concentration of carbohydrate
Show Answer
Correct Answer: D. measurement of the amount or concentration of carbohydrate
It is used in biochemical, clinical and food analysis.
Which option correctly describes Lipids?
- a method for sequencing DNA bases
- biomolecules that are generally insoluble in water and soluble in non-polar organic solvents
- linear polysaccharides made of glucose only
- a nucleic acid made of ribose and phosphate
Show Answer
Correct Answer: B. biomolecules that are generally insoluble in water and soluble in non-polar organic solvents
Lipids include fats, oils, waxes, phospholipids, steroids and related compounds.
For exam preparation, Lipids refers to:
- a nucleic acid made of ribose and phosphate
- a peptide made only of amino acids
- enzymes that digest cellulose in humans
- biomolecules that are generally insoluble in water and soluble in non-polar organic solvents
Show Answer
Correct Answer: D. biomolecules that are generally insoluble in water and soluble in non-polar organic solvents
Lipids include fats, oils, waxes, phospholipids, steroids and related compounds.
In chemistry of carbohydrates and lipids, which statement is correct about Lipids?
- a blood-group carbohydrate antigen only
- a polysaccharide made only of glucose units
- a water-soluble polymer of amino acids
- biomolecules that are generally insoluble in water and soluble in non-polar organic solvents
Show Answer
Correct Answer: D. biomolecules that are generally insoluble in water and soluble in non-polar organic solvents
Lipids include fats, oils, waxes, phospholipids, steroids and related compounds.
Which option correctly describes Major biological functions of lipids?
- a polysaccharide made only of glucose units
- a test used only for protein secondary structure
- a peptide made only of amino acids
- energy storage, membrane formation, insulation and signaling
Show Answer
Correct Answer: D. energy storage, membrane formation, insulation and signaling
Lipids are not only fuel stores; they also regulate important biological processes.
For exam preparation, Major biological functions of lipids refers to:
- a simple inorganic gas in metabolism
- energy storage, membrane formation, insulation and signaling
- a method for sequencing DNA bases
- a lipid-soluble steroid hormone
Show Answer
Correct Answer: B. energy storage, membrane formation, insulation and signaling
Lipids are not only fuel stores; they also regulate important biological processes.
In chemistry of carbohydrates and lipids, which statement is correct about Major biological functions of lipids?
- a simple inorganic gas in metabolism
- enzymes that digest cellulose in humans
- an enzyme that digests DNA only
- energy storage, membrane formation, insulation and signaling
Show Answer
Correct Answer: D. energy storage, membrane formation, insulation and signaling
Lipids are not only fuel stores; they also regulate important biological processes.
Which option correctly describes Fatty acids?
- long-term DNA storage molecules
- a lipid-soluble steroid hormone
- carboxylic acids with long hydrocarbon chains
- a method for sequencing DNA bases
Show Answer
Correct Answer: C. carboxylic acids with long hydrocarbon chains
They are building blocks of many simple and complex lipids.
For exam preparation, Fatty acids refers to:
- a method for sequencing DNA bases
- a blood-group carbohydrate antigen only
- a test used only for protein secondary structure
- carboxylic acids with long hydrocarbon chains
Show Answer
Correct Answer: D. carboxylic acids with long hydrocarbon chains
They are building blocks of many simple and complex lipids.
In chemistry of carbohydrates and lipids, which statement is correct about Fatty acids?
- a test used only for protein secondary structure
- a blood-group carbohydrate antigen only
- a peptide made only of amino acids
- carboxylic acids with long hydrocarbon chains
Show Answer
Correct Answer: D. carboxylic acids with long hydrocarbon chains
They are building blocks of many simple and complex lipids.
Which option correctly describes Saturated fatty acids?
- a test used only for protein secondary structure
- a water-soluble polymer of amino acids
- fatty acids with no carbon-carbon double bonds
- proteins containing peptide bonds only
Show Answer
Correct Answer: C. fatty acids with no carbon-carbon double bonds
They are usually straighter and often have higher melting points.
For exam preparation, Saturated fatty acids refers to:
- a lipid-soluble steroid hormone
- a method for sequencing DNA bases
- fatty acids with no carbon-carbon double bonds
- a reducing sugar with a free anomeric carbon
Show Answer
Correct Answer: C. fatty acids with no carbon-carbon double bonds
They are usually straighter and often have higher melting points.
In chemistry of carbohydrates and lipids, which statement is correct about Saturated fatty acids?
- an enzyme that digests DNA only
- a nucleic acid made of ribose and phosphate
- a simple inorganic gas in metabolism
- fatty acids with no carbon-carbon double bonds
Show Answer
Correct Answer: D. fatty acids with no carbon-carbon double bonds
They are usually straighter and often have higher melting points.
Which option correctly describes Unsaturated fatty acids?
- fatty acids with one or more carbon-carbon double bonds
- proteins containing peptide bonds only
- a peptide made only of amino acids
- free monosaccharides dissolved in urine
Show Answer
Correct Answer: A. fatty acids with one or more carbon-carbon double bonds
They include monounsaturated and polyunsaturated fatty acids.
For exam preparation, Unsaturated fatty acids refers to:
- long-term DNA storage molecules
- fatty acids with one or more carbon-carbon double bonds
- a test used only for protein secondary structure
- a lipid-soluble steroid hormone
Show Answer
Correct Answer: B. fatty acids with one or more carbon-carbon double bonds
They include monounsaturated and polyunsaturated fatty acids.
In chemistry of carbohydrates and lipids, which statement is correct about Unsaturated fatty acids?
- a blood-group carbohydrate antigen only
- a peptide made only of amino acids
- a lipid-soluble steroid hormone
- fatty acids with one or more carbon-carbon double bonds
Show Answer
Correct Answer: D. fatty acids with one or more carbon-carbon double bonds
They include monounsaturated and polyunsaturated fatty acids.
Which option correctly describes Essential fatty acids?
- an enzyme that digests DNA only
- linear polysaccharides made of glucose only
- fatty acids that must be supplied in the diet
- a simple inorganic gas in metabolism
Show Answer
Correct Answer: C. fatty acids that must be supplied in the diet
Linoleic acid and alpha-linolenic acid are important essential fatty acids.
For exam preparation, Essential fatty acids refers to:
- a simple inorganic gas in metabolism
- fatty acids that must be supplied in the diet
- enzymes that digest cellulose in humans
- a lipid-soluble steroid hormone
Show Answer
Correct Answer: B. fatty acids that must be supplied in the diet
Linoleic acid and alpha-linolenic acid are important essential fatty acids.
In chemistry of carbohydrates and lipids, which statement is correct about Essential fatty acids?
- a water-soluble polymer of amino acids
- fatty acids that must be supplied in the diet
- a method for sequencing DNA bases
- an enzyme that digests DNA only
Show Answer
Correct Answer: B. fatty acids that must be supplied in the diet
Linoleic acid and alpha-linolenic acid are important essential fatty acids.
Which option correctly describes Cis double bonds in fatty acids?
- an enzyme that digests DNA only
- a polysaccharide made only of glucose units
- they create bends that lower packing efficiency and melting point
- a blood-group carbohydrate antigen only
Show Answer
Correct Answer: C. they create bends that lower packing efficiency and melting point
Most natural unsaturated fatty acids contain cis double bonds.
For exam preparation, Cis double bonds in fatty acids refers to:
- long-term DNA storage molecules
- storage polysaccharides of plants
- they create bends that lower packing efficiency and melting point
- a blood-group carbohydrate antigen only
Show Answer
Correct Answer: C. they create bends that lower packing efficiency and melting point
Most natural unsaturated fatty acids contain cis double bonds.
In chemistry of carbohydrates and lipids, which statement is correct about Cis double bonds in fatty acids?
- a blood-group carbohydrate antigen only
- a simple inorganic gas in metabolism
- an enzyme that digests DNA only
- they create bends that lower packing efficiency and melting point
Show Answer
Correct Answer: D. they create bends that lower packing efficiency and melting point
Most natural unsaturated fatty acids contain cis double bonds.
Which option correctly describes Trans fatty acids?
- a nucleic acid made of ribose and phosphate
- long-term DNA storage molecules
- a mineral salt with no organic structure
- unsaturated fatty acids with a more linear arrangement around the double bond
Show Answer
Correct Answer: D. unsaturated fatty acids with a more linear arrangement around the double bond
Trans fats pack more like saturated fats and can affect cardiovascular risk.
For exam preparation, Trans fatty acids refers to:
- a polysaccharide made only of glucose units
- unsaturated fatty acids with a more linear arrangement around the double bond
- enzymes that digest cellulose in humans
- long-term DNA storage molecules
Show Answer
Correct Answer: B. unsaturated fatty acids with a more linear arrangement around the double bond
Trans fats pack more like saturated fats and can affect cardiovascular risk.
In chemistry of carbohydrates and lipids, which statement is correct about Trans fatty acids?
- a mineral salt with no organic structure
- a nucleic acid made of ribose and phosphate
- unsaturated fatty acids with a more linear arrangement around the double bond
- a lipid-soluble steroid hormone
Show Answer
Correct Answer: C. unsaturated fatty acids with a more linear arrangement around the double bond
Trans fats pack more like saturated fats and can affect cardiovascular risk.
Which option correctly describes Omega numbering?
- a test used only for protein secondary structure
- a method for sequencing DNA bases
- proteins containing peptide bonds only
- numbering fatty acids from the methyl end
Show Answer
Correct Answer: D. numbering fatty acids from the methyl end
Omega-3 and omega-6 names refer to the position of the first double bond from the methyl end.
For exam preparation, Omega numbering refers to:
- numbering fatty acids from the methyl end
- a nucleic acid made of ribose and phosphate
- a mineral salt with no organic structure
- linear polysaccharides made of glucose only
Show Answer
Correct Answer: A. numbering fatty acids from the methyl end
Omega-3 and omega-6 names refer to the position of the first double bond from the methyl end.
In chemistry of carbohydrates and lipids, which statement is correct about Omega numbering?
- linear polysaccharides made of glucose only
- long-term DNA storage molecules
- numbering fatty acids from the methyl end
- free monosaccharides dissolved in urine
Show Answer
Correct Answer: C. numbering fatty acids from the methyl end
Omega-3 and omega-6 names refer to the position of the first double bond from the methyl end.
Which option correctly describes Triacylglycerols?
- free monosaccharides dissolved in urine
- enzymes that digest cellulose in humans
- esters of glycerol with three fatty acids used for energy storage
- long-term DNA storage molecules
Show Answer
Correct Answer: C. esters of glycerol with three fatty acids used for energy storage
They are the main storage form of fat in adipose tissue.
For exam preparation, Triacylglycerols refers to:
- storage polysaccharides of plants
- esters of glycerol with three fatty acids used for energy storage
- a lipid-soluble steroid hormone
- a test used only for protein secondary structure
Show Answer
Correct Answer: B. esters of glycerol with three fatty acids used for energy storage
They are the main storage form of fat in adipose tissue.
In chemistry of carbohydrates and lipids, which statement is correct about Triacylglycerols?
- an enzyme that digests DNA only
- esters of glycerol with three fatty acids used for energy storage
- enzymes that digest cellulose in humans
- a lipid-soluble steroid hormone
Show Answer
Correct Answer: B. esters of glycerol with three fatty acids used for energy storage
They are the main storage form of fat in adipose tissue.
Which option correctly describes Simple triglycerides?
- triacylglycerols containing the same fatty acid in all three positions
- storage polysaccharides of plants
- a test used only for protein secondary structure
- enzymes that digest cellulose in humans
Show Answer
Correct Answer: A. triacylglycerols containing the same fatty acid in all three positions
If all three acyl groups are identical, the triglyceride is simple.
For exam preparation, Simple triglycerides refers to:
- a method for sequencing DNA bases
- a mineral salt with no organic structure
- linear polysaccharides made of glucose only
- triacylglycerols containing the same fatty acid in all three positions
Show Answer
Correct Answer: D. triacylglycerols containing the same fatty acid in all three positions
If all three acyl groups are identical, the triglyceride is simple.
In chemistry of carbohydrates and lipids, which statement is correct about Simple triglycerides?
- enzymes that digest cellulose in humans
- a peptide made only of amino acids
- triacylglycerols containing the same fatty acid in all three positions
- proteins containing peptide bonds only
Show Answer
Correct Answer: C. triacylglycerols containing the same fatty acid in all three positions
If all three acyl groups are identical, the triglyceride is simple.
Which option correctly describes Mixed triglycerides?
- a simple inorganic gas in metabolism
- triacylglycerols containing two or more different fatty acids
- a mineral salt with no organic structure
- a peptide made only of amino acids
Show Answer
Correct Answer: B. triacylglycerols containing two or more different fatty acids
Most natural fats and oils contain mixed triglycerides.
For exam preparation, Mixed triglycerides refers to:
- triacylglycerols containing two or more different fatty acids
- a blood-group carbohydrate antigen only
- enzymes that digest cellulose in humans
- a mineral salt with no organic structure
Show Answer
Correct Answer: A. triacylglycerols containing two or more different fatty acids
Most natural fats and oils contain mixed triglycerides.
In chemistry of carbohydrates and lipids, which statement is correct about Mixed triglycerides?
- a lipid-soluble steroid hormone
- triacylglycerols containing two or more different fatty acids
- a water-soluble polymer of amino acids
- a mineral salt with no organic structure
Show Answer
Correct Answer: B. triacylglycerols containing two or more different fatty acids
Most natural fats and oils contain mixed triglycerides.
Which option correctly describes Ester bonds in triglycerides?
- bonds formed between glycerol hydroxyl groups and fatty acid carboxyl groups
- an enzyme that digests DNA only
- a method for sequencing DNA bases
- linear polysaccharides made of glucose only
Show Answer
Correct Answer: A. bonds formed between glycerol hydroxyl groups and fatty acid carboxyl groups
Hydrolysis of these ester bonds releases glycerol and fatty acids.
For exam preparation, Ester bonds in triglycerides refers to:
- a lipid-soluble steroid hormone
- a blood-group carbohydrate antigen only
- bonds formed between glycerol hydroxyl groups and fatty acid carboxyl groups
- a nucleic acid made of ribose and phosphate
Show Answer
Correct Answer: C. bonds formed between glycerol hydroxyl groups and fatty acid carboxyl groups
Hydrolysis of these ester bonds releases glycerol and fatty acids.
In chemistry of carbohydrates and lipids, which statement is correct about Ester bonds in triglycerides?
- storage polysaccharides of plants
- an enzyme that digests DNA only
- bonds formed between glycerol hydroxyl groups and fatty acid carboxyl groups
- linear polysaccharides made of glucose only
Show Answer
Correct Answer: C. bonds formed between glycerol hydroxyl groups and fatty acid carboxyl groups
Hydrolysis of these ester bonds releases glycerol and fatty acids.
Which option correctly describes Saponification?
- linear polysaccharides made of glucose only
- alkaline hydrolysis of fats producing glycerol and soap
- a nucleic acid made of ribose and phosphate
- an enzyme that digests DNA only
Show Answer
Correct Answer: B. alkaline hydrolysis of fats producing glycerol and soap
Soap consists of salts of fatty acids.
For exam preparation, Saponification refers to:
- free monosaccharides dissolved in urine
- a test used only for protein secondary structure
- alkaline hydrolysis of fats producing glycerol and soap
- long-term DNA storage molecules
Show Answer
Correct Answer: C. alkaline hydrolysis of fats producing glycerol and soap
Soap consists of salts of fatty acids.
In chemistry of carbohydrates and lipids, which statement is correct about Saponification?
- alkaline hydrolysis of fats producing glycerol and soap
- a lipid-soluble steroid hormone
- enzymes that digest cellulose in humans
- long-term DNA storage molecules
Show Answer
Correct Answer: A. alkaline hydrolysis of fats producing glycerol and soap
Soap consists of salts of fatty acids.
Which option correctly describes Waxes?
- esters of long-chain fatty acids with long-chain alcohols
- storage polysaccharides of plants
- a mineral salt with no organic structure
- a polysaccharide made only of glucose units
Show Answer
Correct Answer: A. esters of long-chain fatty acids with long-chain alcohols
Waxes provide protective coatings in plants and animals.
For exam preparation, Waxes refers to:
- a simple inorganic gas in metabolism
- esters of long-chain fatty acids with long-chain alcohols
- a reducing sugar with a free anomeric carbon
- an enzyme that digests DNA only
Show Answer
Correct Answer: B. esters of long-chain fatty acids with long-chain alcohols
Waxes provide protective coatings in plants and animals.
In chemistry of carbohydrates and lipids, which statement is correct about Waxes?
- esters of long-chain fatty acids with long-chain alcohols
- an enzyme that digests DNA only
- a test used only for protein secondary structure
- a blood-group carbohydrate antigen only
Show Answer
Correct Answer: A. esters of long-chain fatty acids with long-chain alcohols
Waxes provide protective coatings in plants and animals.
Which option correctly describes Phospholipids?
- enzymes that digest cellulose in humans
- amphipathic lipids containing hydrophilic and hydrophobic regions
- a nucleic acid made of ribose and phosphate
- a simple inorganic gas in metabolism
Show Answer
Correct Answer: B. amphipathic lipids containing hydrophilic and hydrophobic regions
Their amphipathic nature makes them ideal for biological membranes.
For exam preparation, Phospholipids refers to:
- amphipathic lipids containing hydrophilic and hydrophobic regions
- a simple inorganic gas in metabolism
- storage polysaccharides of plants
- a lipid-soluble steroid hormone
Show Answer
Correct Answer: A. amphipathic lipids containing hydrophilic and hydrophobic regions
Their amphipathic nature makes them ideal for biological membranes.
In chemistry of carbohydrates and lipids, which statement is correct about Phospholipids?
- a nucleic acid made of ribose and phosphate
- proteins containing peptide bonds only
- a method for sequencing DNA bases
- amphipathic lipids containing hydrophilic and hydrophobic regions
Show Answer
Correct Answer: D. amphipathic lipids containing hydrophilic and hydrophobic regions
Their amphipathic nature makes them ideal for biological membranes.
Which option correctly describes Glycerophospholipids?
- phospholipids built on a glycerol backbone
- free monosaccharides dissolved in urine
- proteins containing peptide bonds only
- a peptide made only of amino acids
Show Answer
Correct Answer: A. phospholipids built on a glycerol backbone
Phosphatidylcholine and phosphatidylethanolamine are examples.
For exam preparation, Glycerophospholipids refers to:
- a lipid-soluble steroid hormone
- a peptide made only of amino acids
- phospholipids built on a glycerol backbone
- a reducing sugar with a free anomeric carbon
Show Answer
Correct Answer: C. phospholipids built on a glycerol backbone
Phosphatidylcholine and phosphatidylethanolamine are examples.
In chemistry of carbohydrates and lipids, which statement is correct about Glycerophospholipids?
- a reducing sugar with a free anomeric carbon
- linear polysaccharides made of glucose only
- phospholipids built on a glycerol backbone
- a mineral salt with no organic structure
Show Answer
Correct Answer: C. phospholipids built on a glycerol backbone
Phosphatidylcholine and phosphatidylethanolamine are examples.
Which option correctly describes Sphingolipids?
- a test used only for protein secondary structure
- free monosaccharides dissolved in urine
- lipids built on a sphingosine backbone
- a mineral salt with no organic structure
Show Answer
Correct Answer: C. lipids built on a sphingosine backbone
They are abundant in nerve tissue and cell membranes.
For exam preparation, Sphingolipids refers to:
- long-term DNA storage molecules
- a peptide made only of amino acids
- linear polysaccharides made of glucose only
- lipids built on a sphingosine backbone
Show Answer
Correct Answer: D. lipids built on a sphingosine backbone
They are abundant in nerve tissue and cell membranes.
In chemistry of carbohydrates and lipids, which statement is correct about Sphingolipids?
- lipids built on a sphingosine backbone
- a polysaccharide made only of glucose units
- a simple inorganic gas in metabolism
- a reducing sugar with a free anomeric carbon
Show Answer
Correct Answer: A. lipids built on a sphingosine backbone
They are abundant in nerve tissue and cell membranes.
Which option correctly describes Sphingomyelin?
- an enzyme that digests DNA only
- a sphingolipid important in myelin sheaths
- free monosaccharides dissolved in urine
- a nucleic acid made of ribose and phosphate
Show Answer
Correct Answer: B. a sphingolipid important in myelin sheaths
It contains sphingosine, a fatty acid and a phosphocholine head group.
For exam preparation, Sphingomyelin refers to:
- a water-soluble polymer of amino acids
- a sphingolipid important in myelin sheaths
- linear polysaccharides made of glucose only
- free monosaccharides dissolved in urine
Show Answer
Correct Answer: B. a sphingolipid important in myelin sheaths
It contains sphingosine, a fatty acid and a phosphocholine head group.
In chemistry of carbohydrates and lipids, which statement is correct about Sphingomyelin?
- a polysaccharide made only of glucose units
- a nucleic acid made of ribose and phosphate
- a simple inorganic gas in metabolism
- a sphingolipid important in myelin sheaths
Show Answer
Correct Answer: D. a sphingolipid important in myelin sheaths
It contains sphingosine, a fatty acid and a phosphocholine head group.
Which option correctly describes Glycolipids?
- lipids containing carbohydrate groups
- a mineral salt with no organic structure
- a water-soluble polymer of amino acids
- proteins containing peptide bonds only
Show Answer
Correct Answer: A. lipids containing carbohydrate groups
They are important in cell recognition and membrane structure.
For exam preparation, Glycolipids refers to:
- a test used only for protein secondary structure
- lipids containing carbohydrate groups
- a water-soluble polymer of amino acids
- a method for sequencing DNA bases
Show Answer
Correct Answer: B. lipids containing carbohydrate groups
They are important in cell recognition and membrane structure.
In chemistry of carbohydrates and lipids, which statement is correct about Glycolipids?
- lipids containing carbohydrate groups
- a lipid-soluble steroid hormone
- a blood-group carbohydrate antigen only
- long-term DNA storage molecules
Show Answer
Correct Answer: A. lipids containing carbohydrate groups
They are important in cell recognition and membrane structure.
Which option correctly describes Cerebrosides?
- glycolipids with a single sugar residue
- a peptide made only of amino acids
- an enzyme that digests DNA only
- enzymes that digest cellulose in humans
Show Answer
Correct Answer: A. glycolipids with a single sugar residue
They are found in nervous tissue and cell membranes.
For exam preparation, Cerebrosides refers to:
- a reducing sugar with a free anomeric carbon
- long-term DNA storage molecules
- a nucleic acid made of ribose and phosphate
- glycolipids with a single sugar residue
Show Answer
Correct Answer: D. glycolipids with a single sugar residue
They are found in nervous tissue and cell membranes.
In chemistry of carbohydrates and lipids, which statement is correct about Cerebrosides?
- a blood-group carbohydrate antigen only
- free monosaccharides dissolved in urine
- a reducing sugar with a free anomeric carbon
- glycolipids with a single sugar residue
Show Answer
Correct Answer: D. glycolipids with a single sugar residue
They are found in nervous tissue and cell membranes.
Which option correctly describes Gangliosides?
- a method for sequencing DNA bases
- glycolipids containing oligosaccharides with sialic acid
- a water-soluble polymer of amino acids
- a polysaccharide made only of glucose units
Show Answer
Correct Answer: B. glycolipids containing oligosaccharides with sialic acid
They are important in neural tissue and cell-surface recognition.
For exam preparation, Gangliosides refers to:
- a lipid-soluble steroid hormone
- enzymes that digest cellulose in humans
- a mineral salt with no organic structure
- glycolipids containing oligosaccharides with sialic acid
Show Answer
Correct Answer: D. glycolipids containing oligosaccharides with sialic acid
They are important in neural tissue and cell-surface recognition.
In chemistry of carbohydrates and lipids, which statement is correct about Gangliosides?
- long-term DNA storage molecules
- glycolipids containing oligosaccharides with sialic acid
- a test used only for protein secondary structure
- proteins containing peptide bonds only
Show Answer
Correct Answer: B. glycolipids containing oligosaccharides with sialic acid
They are important in neural tissue and cell-surface recognition.
Which option correctly describes The phospholipid bilayer?
- a water-soluble polymer of amino acids
- free monosaccharides dissolved in urine
- the basic structural framework of biological membranes
- long-term DNA storage molecules
Show Answer
Correct Answer: C. the basic structural framework of biological membranes
Hydrophobic tails face inward and hydrophilic heads face the aqueous environment.
For exam preparation, The phospholipid bilayer refers to:
- proteins containing peptide bonds only
- a reducing sugar with a free anomeric carbon
- linear polysaccharides made of glucose only
- the basic structural framework of biological membranes
Show Answer
Correct Answer: D. the basic structural framework of biological membranes
Hydrophobic tails face inward and hydrophilic heads face the aqueous environment.
In chemistry of carbohydrates and lipids, which statement is correct about The phospholipid bilayer?
- a nucleic acid made of ribose and phosphate
- linear polysaccharides made of glucose only
- a peptide made only of amino acids
- the basic structural framework of biological membranes
Show Answer
Correct Answer: D. the basic structural framework of biological membranes
Hydrophobic tails face inward and hydrophilic heads face the aqueous environment.
Which option correctly describes Cholesterol in membranes?
- enzymes that digest cellulose in humans
- enzymes that hydrolyze starch only
- nucleic acid polymers storing genetic information
- it helps regulate membrane fluidity and stability
Show Answer
Correct Answer: D. it helps regulate membrane fluidity and stability
Cholesterol prevents membranes from becoming too rigid or too fluid.
For exam preparation, Cholesterol in membranes refers to:
- long-term DNA storage molecules
- it helps regulate membrane fluidity and stability
- a test used only for protein secondary structure
- water-only particles in plasma
Show Answer
Correct Answer: B. it helps regulate membrane fluidity and stability
Cholesterol prevents membranes from becoming too rigid or too fluid.
In chemistry of carbohydrates and lipids, which statement is correct about Cholesterol in membranes?
- proteins containing peptide bonds only
- enzymes that digest cellulose in humans
- storage polysaccharides of plants
- it helps regulate membrane fluidity and stability
Show Answer
Correct Answer: D. it helps regulate membrane fluidity and stability
Cholesterol prevents membranes from becoming too rigid or too fluid.
Which option correctly describes Lipoproteins?
- water-only particles without proteins
- complex particles that transport lipids through the bloodstream
- a reducing sugar with a free anomeric carbon
- amino acid chains with no lipid transport role
Show Answer
Correct Answer: B. complex particles that transport lipids through the bloodstream
They contain lipids and apolipoproteins.
For exam preparation, Lipoproteins refers to:
- a peptide made only of amino acids
- a reducing sugar with a free anomeric carbon
- complex particles that transport lipids through the bloodstream
- water-only particles without proteins
Show Answer
Correct Answer: C. complex particles that transport lipids through the bloodstream
They contain lipids and apolipoproteins.
In chemistry of carbohydrates and lipids, which statement is correct about Lipoproteins?
- proteins containing peptide bonds only
- amino acid chains with no lipid transport role
- polysaccharide granules in plant cells
- complex particles that transport lipids through the bloodstream
Show Answer
Correct Answer: D. complex particles that transport lipids through the bloodstream
They contain lipids and apolipoproteins.
Which option correctly describes Chylomicrons?
- DNA-protein complexes found in chromosomes
- lipoproteins that transport dietary triacylglycerols from the intestine
- enzymes that digest cellulose in humans
- free monosaccharides dissolved in urine
Show Answer
Correct Answer: B. lipoproteins that transport dietary triacylglycerols from the intestine
They are formed in intestinal cells after fat absorption.
For exam preparation, Chylomicrons refers to:
- a peptide made only of amino acids
- free monosaccharides dissolved in urine
- lipoproteins that transport dietary triacylglycerols from the intestine
- a test used only for protein secondary structure
Show Answer
Correct Answer: C. lipoproteins that transport dietary triacylglycerols from the intestine
They are formed in intestinal cells after fat absorption.
In chemistry of carbohydrates and lipids, which statement is correct about Chylomicrons?
- amino acid chains with no lipid transport role
- lipoproteins that transport dietary triacylglycerols from the intestine
- a peptide made only of amino acids
- storage polysaccharides of plants
Show Answer
Correct Answer: B. lipoproteins that transport dietary triacylglycerols from the intestine
They are formed in intestinal cells after fat absorption.
Which option correctly describes VLDL?
- a water-soluble polymer of amino acids
- lipoproteins that transport endogenous triacylglycerols from the liver
- long-term DNA storage molecules
- enzymes that digest cellulose in humans
Show Answer
Correct Answer: B. lipoproteins that transport endogenous triacylglycerols from the liver
VLDL is synthesized in the liver and delivers triglycerides to tissues.
For exam preparation, VLDL refers to:
- a water-soluble polymer of amino acids
- long-term DNA storage molecules
- storage polysaccharides of plants
- lipoproteins that transport endogenous triacylglycerols from the liver
Show Answer
Correct Answer: D. lipoproteins that transport endogenous triacylglycerols from the liver
VLDL is synthesized in the liver and delivers triglycerides to tissues.
In chemistry of carbohydrates and lipids, which statement is correct about VLDL?
- lipoproteins that transport endogenous triacylglycerols from the liver
- DNA-protein complexes found in chromosomes
- enzymes that digest cellulose in humans
- a method for sequencing DNA bases
Show Answer
Correct Answer: A. lipoproteins that transport endogenous triacylglycerols from the liver
VLDL is synthesized in the liver and delivers triglycerides to tissues.
Which option correctly describes LDL?
- proteins containing peptide bonds only
- lipoproteins that deliver cholesterol to peripheral tissues
- DNA-protein complexes found in chromosomes
- long-term DNA storage molecules
Show Answer
Correct Answer: B. lipoproteins that deliver cholesterol to peripheral tissues
High LDL levels are associated with increased atherosclerosis risk.
For exam preparation, LDL refers to:
- a reducing sugar with a free anomeric carbon
- DNA-protein complexes found in chromosomes
- water-only particles without proteins
- lipoproteins that deliver cholesterol to peripheral tissues
Show Answer
Correct Answer: D. lipoproteins that deliver cholesterol to peripheral tissues
High LDL levels are associated with increased atherosclerosis risk.
In chemistry of carbohydrates and lipids, which statement is correct about LDL?
- amino acid chains with no lipid transport role
- DNA-protein complexes found in chromosomes
- lipoproteins that deliver cholesterol to peripheral tissues
- vitamin molecules with no lipid component
Show Answer
Correct Answer: C. lipoproteins that deliver cholesterol to peripheral tissues
High LDL levels are associated with increased atherosclerosis risk.
Which option correctly describes HDL?
- proteins containing peptide bonds only
- vitamin molecules with no lipid component
- lipoproteins involved in reverse cholesterol transport
- storage polysaccharides of plants
Show Answer
Correct Answer: C. lipoproteins involved in reverse cholesterol transport
HDL carries cholesterol from tissues back to the liver.
For exam preparation, HDL refers to:
- a test used only for protein secondary structure
- lipoproteins involved in reverse cholesterol transport
- free monosaccharides dissolved in urine
- a water-soluble polymer of amino acids
Show Answer
Correct Answer: B. lipoproteins involved in reverse cholesterol transport
HDL carries cholesterol from tissues back to the liver.
In chemistry of carbohydrates and lipids, which statement is correct about HDL?
- free monosaccharides dissolved in urine
- long-term DNA storage molecules
- a test used only for protein secondary structure
- lipoproteins involved in reverse cholesterol transport
Show Answer
Correct Answer: D. lipoproteins involved in reverse cholesterol transport
HDL carries cholesterol from tissues back to the liver.
Which option correctly describes Apolipoproteins?
- protein components of lipoproteins that provide structure and help receptor/enzyme interactions
- linear polysaccharides made of glucose only
- enzymes that digest cellulose in humans
- bile pigments responsible for red blood cells
Show Answer
Correct Answer: A. protein components of lipoproteins that provide structure and help receptor/enzyme interactions
They act as recognition markers and enzyme cofactors.
For exam preparation, Apolipoproteins refers to:
- proteins containing peptide bonds only
- a lipid-soluble steroid hormone
- protein components of lipoproteins that provide structure and help receptor/enzyme interactions
- bile pigments responsible for red blood cells
Show Answer
Correct Answer: C. protein components of lipoproteins that provide structure and help receptor/enzyme interactions
They act as recognition markers and enzyme cofactors.
In chemistry of carbohydrates and lipids, which statement is correct about Apolipoproteins?
- a water-soluble polymer of amino acids
- proteins containing peptide bonds only
- long-term DNA storage molecules
- protein components of lipoproteins that provide structure and help receptor/enzyme interactions
Show Answer
Correct Answer: D. protein components of lipoproteins that provide structure and help receptor/enzyme interactions
They act as recognition markers and enzyme cofactors.
Which option correctly describes Lipoprotein lipase?
- a method for sequencing DNA bases
- bile pigments responsible for red blood cells
- a peptide made only of amino acids
- an enzyme that hydrolyzes triacylglycerols in chylomicrons and VLDL
Show Answer
Correct Answer: D. an enzyme that hydrolyzes triacylglycerols in chylomicrons and VLDL
It releases fatty acids for uptake by muscle and adipose tissue.
For exam preparation, Lipoprotein lipase refers to:
- storage polysaccharides of plants
- a method for sequencing DNA bases
- a test used only for protein secondary structure
- an enzyme that hydrolyzes triacylglycerols in chylomicrons and VLDL
Show Answer
Correct Answer: D. an enzyme that hydrolyzes triacylglycerols in chylomicrons and VLDL
It releases fatty acids for uptake by muscle and adipose tissue.
In chemistry of carbohydrates and lipids, which statement is correct about Lipoprotein lipase?
- bile pigments responsible for red blood cells
- an enzyme that hydrolyzes triacylglycerols in chylomicrons and VLDL
- proteins containing peptide bonds only
- storage polysaccharides of plants
Show Answer
Correct Answer: B. an enzyme that hydrolyzes triacylglycerols in chylomicrons and VLDL
It releases fatty acids for uptake by muscle and adipose tissue.
Which option correctly describes Eicosanoids?
- enzymes that digest cellulose in humans
- signaling lipids mainly derived from arachidonic acid
- a water-soluble polymer of amino acids
- fatty acid transport particles in plasma
Show Answer
Correct Answer: B. signaling lipids mainly derived from arachidonic acid
They include prostaglandins, thromboxanes and leukotrienes.
For exam preparation, Eicosanoids refers to:
- a method for sequencing DNA bases
- a water-soluble polymer of amino acids
- signaling lipids mainly derived from arachidonic acid
- structural proteins of muscle
Show Answer
Correct Answer: C. signaling lipids mainly derived from arachidonic acid
They include prostaglandins, thromboxanes and leukotrienes.
In chemistry of carbohydrates and lipids, which statement is correct about Eicosanoids?
- a test used only for protein secondary structure
- signaling lipids mainly derived from arachidonic acid
- enzymes that hydrolyze lactose
- a peptide made only of amino acids
Show Answer
Correct Answer: B. signaling lipids mainly derived from arachidonic acid
They include prostaglandins, thromboxanes and leukotrienes.
Which option correctly describes Prostaglandins?
- free monosaccharides dissolved in urine
- local lipid mediators involved in inflammation, fever, pain and smooth muscle actions
- a water-soluble polymer of amino acids
- a lipid-soluble steroid hormone
Show Answer
Correct Answer: B. local lipid mediators involved in inflammation, fever, pain and smooth muscle actions
They are produced through the cyclooxygenase pathway.
For exam preparation, Prostaglandins refers to:
- local lipid mediators involved in inflammation, fever, pain and smooth muscle actions
- structural proteins of muscle
- water-soluble vitamins with no lipid origin
- fatty acid transport particles in plasma
Show Answer
Correct Answer: A. local lipid mediators involved in inflammation, fever, pain and smooth muscle actions
They are produced through the cyclooxygenase pathway.
In chemistry of carbohydrates and lipids, which statement is correct about Prostaglandins?
- long-term DNA storage molecules
- a water-soluble polymer of amino acids
- storage polysaccharides of plants
- local lipid mediators involved in inflammation, fever, pain and smooth muscle actions
Show Answer
Correct Answer: D. local lipid mediators involved in inflammation, fever, pain and smooth muscle actions
They are produced through the cyclooxygenase pathway.
Which option correctly describes Thromboxanes?
- proteins containing peptide bonds only
- blood-group antigens on red cells
- eicosanoids that promote platelet aggregation and vasoconstriction
- a peptide made only of amino acids
Show Answer
Correct Answer: C. eicosanoids that promote platelet aggregation and vasoconstriction
Thromboxane A2 plays a key role in clot formation.
For exam preparation, Thromboxanes refers to:
- eicosanoids that promote platelet aggregation and vasoconstriction
- proteins containing peptide bonds only
- a method for sequencing DNA bases
- long-term DNA storage molecules
Show Answer
Correct Answer: A. eicosanoids that promote platelet aggregation and vasoconstriction
Thromboxane A2 plays a key role in clot formation.
In chemistry of carbohydrates and lipids, which statement is correct about Thromboxanes?
- proteins containing peptide bonds only
- blood-group antigens on red cells
- fatty acid transport particles in plasma
- eicosanoids that promote platelet aggregation and vasoconstriction
Show Answer
Correct Answer: D. eicosanoids that promote platelet aggregation and vasoconstriction
Thromboxane A2 plays a key role in clot formation.
Which option correctly describes Leukotrienes?
- enzymes that hydrolyze lactose
- storage polysaccharides of plants
- a water-soluble polymer of amino acids
- eicosanoids involved in inflammation and bronchoconstriction
Show Answer
Correct Answer: D. eicosanoids involved in inflammation and bronchoconstriction
They are important in allergic and asthma-related responses.
For exam preparation, Leukotrienes refers to:
- blood-group antigens on red cells
- fatty acid transport particles in plasma
- eicosanoids involved in inflammation and bronchoconstriction
- storage polysaccharides of plants
Show Answer
Correct Answer: C. eicosanoids involved in inflammation and bronchoconstriction
They are important in allergic and asthma-related responses.
In chemistry of carbohydrates and lipids, which statement is correct about Leukotrienes?
- a water-soluble polymer of amino acids
- proteins containing peptide bonds only
- eicosanoids involved in inflammation and bronchoconstriction
- minerals required for thyroid hormone synthesis
Show Answer
Correct Answer: C. eicosanoids involved in inflammation and bronchoconstriction
They are important in allergic and asthma-related responses.
Which option correctly describes Cyclooxygenase enzymes?
- enzymes that digest cellulose in humans
- enzymes that help form prostaglandins and thromboxanes
- blood-group antigens on red cells
- minerals required for thyroid hormone synthesis
Show Answer
Correct Answer: B. enzymes that help form prostaglandins and thromboxanes
COX enzymes convert arachidonic acid into prostaglandin precursors.
For exam preparation, Cyclooxygenase enzymes refers to:
- enzymes that help form prostaglandins and thromboxanes
- a water-soluble polymer of amino acids
- linear polysaccharides made of glucose only
- enzymes that digest cellulose in humans
Show Answer
Correct Answer: A. enzymes that help form prostaglandins and thromboxanes
COX enzymes convert arachidonic acid into prostaglandin precursors.
In chemistry of carbohydrates and lipids, which statement is correct about Cyclooxygenase enzymes?
- blood-group antigens on red cells
- structural proteins of muscle
- a peptide made only of amino acids
- enzymes that help form prostaglandins and thromboxanes
Show Answer
Correct Answer: D. enzymes that help form prostaglandins and thromboxanes
COX enzymes convert arachidonic acid into prostaglandin precursors.
Which option correctly describes Bile acids?
- free amino acids used directly in translation
- a reducing sugar with a free anomeric carbon
- cholesterol-derived molecules important in fat digestion
- water-only particles in plasma
Show Answer
Correct Answer: C. cholesterol-derived molecules important in fat digestion
They are synthesized in the liver from cholesterol.
For exam preparation, Bile acids refers to:
- cholesterol-derived molecules important in fat digestion
- linear polysaccharides made of glucose only
- reducing disaccharides formed from galactose and glucose
- a test used only for protein secondary structure
Show Answer
Correct Answer: A. cholesterol-derived molecules important in fat digestion
They are synthesized in the liver from cholesterol.
In chemistry of carbohydrates and lipids, which statement is correct about Bile acids?
- storage polysaccharides of plants
- cholesterol-derived molecules important in fat digestion
- free amino acids used directly in translation
- a lipid-soluble steroid hormone
Show Answer
Correct Answer: B. cholesterol-derived molecules important in fat digestion
They are synthesized in the liver from cholesterol.
Which option correctly describes Bile salts?
- enzymes that hydrolyze starch only
- nucleic acid polymers storing genetic information
- long-term DNA storage molecules
- amphipathic molecules that emulsify dietary fats
Show Answer
Correct Answer: D. amphipathic molecules that emulsify dietary fats
They increase the surface area for pancreatic lipase action.
For exam preparation, Bile salts refers to:
- nucleic acid polymers storing genetic information
- a peptide made only of amino acids
- water-only particles in plasma
- amphipathic molecules that emulsify dietary fats
Show Answer
Correct Answer: D. amphipathic molecules that emulsify dietary fats
They increase the surface area for pancreatic lipase action.
In chemistry of carbohydrates and lipids, which statement is correct about Bile salts?
- linear polysaccharides made of glucose only
- amphipathic molecules that emulsify dietary fats
- free monosaccharides dissolved in urine
- long-term DNA storage molecules
Show Answer
Correct Answer: B. amphipathic molecules that emulsify dietary fats
They increase the surface area for pancreatic lipase action.
Which option correctly describes The steroid nucleus?
- linear polysaccharides made of glucose only
- free amino acids used directly in translation
- storage polysaccharides of plants
- a four-fused-ring structure common to steroids
Show Answer
Correct Answer: D. a four-fused-ring structure common to steroids
Cholesterol, bile acids and steroid hormones share this ring system.
For exam preparation, The steroid nucleus refers to:
- a four-fused-ring structure common to steroids
- proteins containing peptide bonds only
- water-only particles in plasma
- nucleic acid polymers storing genetic information
Show Answer
Correct Answer: A. a four-fused-ring structure common to steroids
Cholesterol, bile acids and steroid hormones share this ring system.
In chemistry of carbohydrates and lipids, which statement is correct about The steroid nucleus?
- water-only particles in plasma
- proteins containing peptide bonds only
- a four-fused-ring structure common to steroids
- free monosaccharides dissolved in urine
Show Answer
Correct Answer: C. a four-fused-ring structure common to steroids
Cholesterol, bile acids and steroid hormones share this ring system.
Which option correctly describes Steroid hormones?
- nucleic acid polymers storing genetic information
- a lipid-soluble steroid hormone
- hormones derived from cholesterol
- linear polysaccharides made of glucose only
Show Answer
Correct Answer: C. hormones derived from cholesterol
Cortisol, aldosterone, testosterone and estrogen are steroid hormones.
For exam preparation, Steroid hormones refers to:
- hormones derived from cholesterol
- proteins containing peptide bonds only
- free monosaccharides dissolved in urine
- linear polysaccharides made of glucose only
Show Answer
Correct Answer: A. hormones derived from cholesterol
Cortisol, aldosterone, testosterone and estrogen are steroid hormones.
In chemistry of carbohydrates and lipids, which statement is correct about Steroid hormones?
- enzymes that hydrolyze starch only
- hormones derived from cholesterol
- a test used only for protein secondary structure
- a peptide made only of amino acids
Show Answer
Correct Answer: B. hormones derived from cholesterol
Cortisol, aldosterone, testosterone and estrogen are steroid hormones.
Which option correctly describes Vitamin D precursor role of cholesterol?
- enzymes that hydrolyze starch only
- nucleic acid polymers storing genetic information
- cholesterol can be converted into vitamin D precursors in the skin
- proteins containing peptide bonds only
Show Answer
Correct Answer: C. cholesterol can be converted into vitamin D precursors in the skin
UV light helps convert 7-dehydrocholesterol into vitamin D3 precursor.
For exam preparation, Vitamin D precursor role of cholesterol refers to:
- a method for sequencing DNA bases
- cholesterol can be converted into vitamin D precursors in the skin
- storage polysaccharides of plants
- linear polysaccharides made of glucose only
Show Answer
Correct Answer: B. cholesterol can be converted into vitamin D precursors in the skin
UV light helps convert 7-dehydrocholesterol into vitamin D3 precursor.
In chemistry of carbohydrates and lipids, which statement is correct about Vitamin D precursor role of cholesterol?
- proteins containing peptide bonds only
- enzymes that digest cellulose in humans
- cholesterol can be converted into vitamin D precursors in the skin
- a method for sequencing DNA bases
Show Answer
Correct Answer: C. cholesterol can be converted into vitamin D precursors in the skin
UV light helps convert 7-dehydrocholesterol into vitamin D3 precursor.
Which option correctly describes Pancreatic amylase?
- a reaction unrelated to carbohydrates or lipids
- an enzyme that digests starch by hydrolyzing alpha-1,4 glycosidic bonds
- a pathway for synthesizing hemoglobin
- a membrane receptor for insulin only
Show Answer
Correct Answer: B. an enzyme that digests starch by hydrolyzing alpha-1,4 glycosidic bonds
It produces smaller carbohydrates such as maltose and dextrins.
For exam preparation, Pancreatic amylase refers to:
- an enzyme that digests starch by hydrolyzing alpha-1,4 glycosidic bonds
- linear polysaccharides made of glucose only
- proteins containing peptide bonds only
- a method for sequencing DNA bases
Show Answer
Correct Answer: A. an enzyme that digests starch by hydrolyzing alpha-1,4 glycosidic bonds
It produces smaller carbohydrates such as maltose and dextrins.
In chemistry of carbohydrates and lipids, which statement is correct about Pancreatic amylase?
- a mineralization test for bone calcium
- storage polysaccharides of plants
- proteins containing peptide bonds only
- an enzyme that digests starch by hydrolyzing alpha-1,4 glycosidic bonds
Show Answer
Correct Answer: D. an enzyme that digests starch by hydrolyzing alpha-1,4 glycosidic bonds
It produces smaller carbohydrates such as maltose and dextrins.
Which option correctly describes Lactase?
- a membrane receptor for insulin only
- a reducing sugar with a free anomeric carbon
- an enzyme that hydrolyzes lactose into glucose and galactose
- linear polysaccharides made of glucose only
Show Answer
Correct Answer: C. an enzyme that hydrolyzes lactose into glucose and galactose
Lactase deficiency can cause lactose intolerance.
For exam preparation, Lactase refers to:
- an enzyme that hydrolyzes lactose into glucose and galactose
- a pathway for synthesizing hemoglobin
- a method for sequencing DNA bases
- a peptide made only of amino acids
Show Answer
Correct Answer: A. an enzyme that hydrolyzes lactose into glucose and galactose
Lactase deficiency can cause lactose intolerance.
In chemistry of carbohydrates and lipids, which statement is correct about Lactase?
- a reaction unrelated to carbohydrates or lipids
- proteins containing peptide bonds only
- an enzyme that hydrolyzes lactose into glucose and galactose
- a pathway for synthesizing hemoglobin
Show Answer
Correct Answer: C. an enzyme that hydrolyzes lactose into glucose and galactose
Lactase deficiency can cause lactose intolerance.
Which option correctly describes Glycemic carbohydrates?
- a lipid-soluble steroid hormone
- storage polysaccharides of plants
- digestible carbohydrates that can raise blood glucose
- proteins containing peptide bonds only
Show Answer
Correct Answer: C. digestible carbohydrates that can raise blood glucose
Starch and sugars can contribute to blood glucose after digestion and absorption.
For exam preparation, Glycemic carbohydrates refers to:
- digestible carbohydrates that can raise blood glucose
- a lipid-soluble steroid hormone
- enzymes that digest cellulose in humans
- a test used only for protein secondary structure
Show Answer
Correct Answer: A. digestible carbohydrates that can raise blood glucose
Starch and sugars can contribute to blood glucose after digestion and absorption.
In chemistry of carbohydrates and lipids, which statement is correct about Glycemic carbohydrates?
- a method for sequencing DNA bases
- a mineralization test for bone calcium
- long-term DNA storage molecules
- digestible carbohydrates that can raise blood glucose
Show Answer
Correct Answer: D. digestible carbohydrates that can raise blood glucose
Starch and sugars can contribute to blood glucose after digestion and absorption.
Which option correctly describes Iodine test?
- enzymes that digest cellulose in humans
- a test that gives a blue-black color with starch
- proteins containing peptide bonds only
- storage polysaccharides of plants
Show Answer
Correct Answer: B. a test that gives a blue-black color with starch
The iodine complex forms with the helical structure of amylose.
For exam preparation, Iodine test refers to:
- a test that gives a blue-black color with starch
- a peptide made only of amino acids
- a membrane receptor for insulin only
- free monosaccharides dissolved in urine
Show Answer
Correct Answer: A. a test that gives a blue-black color with starch
The iodine complex forms with the helical structure of amylose.
In chemistry of carbohydrates and lipids, which statement is correct about Iodine test?
- a lipid-soluble steroid hormone
- free monosaccharides dissolved in urine
- a test that gives a blue-black color with starch
- a mineralization test for bone calcium
Show Answer
Correct Answer: C. a test that gives a blue-black color with starch
The iodine complex forms with the helical structure of amylose.
Which option correctly describes Barfoed's test?
- a test used to distinguish monosaccharides from disaccharides by rapid reduction
- a reaction unrelated to carbohydrates or lipids
- long-term DNA storage molecules
- a method for sequencing DNA bases
Show Answer
Correct Answer: A. a test used to distinguish monosaccharides from disaccharides by rapid reduction
Monosaccharides usually reduce Barfoed's reagent faster than disaccharides.
For exam preparation, Barfoed's test refers to:
- a method for sequencing DNA bases
- a test used to distinguish monosaccharides from disaccharides by rapid reduction
- a peptide made only of amino acids
- a test used only for protein secondary structure
Show Answer
Correct Answer: B. a test used to distinguish monosaccharides from disaccharides by rapid reduction
Monosaccharides usually reduce Barfoed's reagent faster than disaccharides.
In chemistry of carbohydrates and lipids, which statement is correct about Barfoed's test?
- storage polysaccharides of plants
- a test used only for protein secondary structure
- a test used to distinguish monosaccharides from disaccharides by rapid reduction
- proteins containing peptide bonds only
Show Answer
Correct Answer: C. a test used to distinguish monosaccharides from disaccharides by rapid reduction
Monosaccharides usually reduce Barfoed's reagent faster than disaccharides.
Which option correctly describes Seliwanoff's test?
- a test in which ketoses react more rapidly than aldoses
- a test used only for protein secondary structure
- a water-soluble polymer of amino acids
- storage polysaccharides of plants
Show Answer
Correct Answer: A. a test in which ketoses react more rapidly than aldoses
Fructose gives a rapid positive result in Seliwanoff's test.
For exam preparation, Seliwanoff's test refers to:
- a test in which ketoses react more rapidly than aldoses
- free monosaccharides dissolved in urine
- a process that produces steroid hormones directly
- linear polysaccharides made of glucose only
Show Answer
Correct Answer: A. a test in which ketoses react more rapidly than aldoses
Fructose gives a rapid positive result in Seliwanoff's test.
In chemistry of carbohydrates and lipids, which statement is correct about Seliwanoff's test?
- a peptide made only of amino acids
- storage polysaccharides of plants
- a test in which ketoses react more rapidly than aldoses
- long-term DNA storage molecules
Show Answer
Correct Answer: C. a test in which ketoses react more rapidly than aldoses
Fructose gives a rapid positive result in Seliwanoff's test.
Which option correctly describes Molisch test?
- a method for sequencing DNA bases
- storage polysaccharides of plants
- a membrane receptor for insulin only
- a general test for carbohydrates
Show Answer
Correct Answer: D. a general test for carbohydrates
A positive Molisch test forms a violet ring at the interface.
For exam preparation, Molisch test refers to:
- a peptide made only of amino acids
- a general test for carbohydrates
- a membrane receptor for insulin only
- a method for sequencing DNA bases
Show Answer
Correct Answer: B. a general test for carbohydrates
A positive Molisch test forms a violet ring at the interface.
In chemistry of carbohydrates and lipids, which statement is correct about Molisch test?
- storage polysaccharides of plants
- a lipid-soluble steroid hormone
- a reaction unrelated to carbohydrates or lipids
- a general test for carbohydrates
Show Answer
Correct Answer: D. a general test for carbohydrates
A positive Molisch test forms a violet ring at the interface.
Which option correctly describes Bial's test?
- a mineralization test for bone calcium
- a test commonly used to detect pentoses
- long-term DNA storage molecules
- free monosaccharides dissolved in urine
Show Answer
Correct Answer: B. a test commonly used to detect pentoses
Pentoses produce a characteristic color with Bial's reagent.
For exam preparation, Bial's test refers to:
- storage polysaccharides of plants
- a test commonly used to detect pentoses
- a process that produces steroid hormones directly
- long-term DNA storage molecules
Show Answer
Correct Answer: B. a test commonly used to detect pentoses
Pentoses produce a characteristic color with Bial's reagent.
In chemistry of carbohydrates and lipids, which statement is correct about Bial's test?
- a lipoprotein that transports cholesterol only
- long-term DNA storage molecules
- a test commonly used to detect pentoses
- free monosaccharides dissolved in urine
Show Answer
Correct Answer: C. a test commonly used to detect pentoses
Pentoses produce a characteristic color with Bial's reagent.
Which option correctly describes Osazone formation?
- a reaction useful for identifying sugars by crystal shape
- a test used only for protein secondary structure
- proteins containing peptide bonds only
- a mineralization test for bone calcium
Show Answer
Correct Answer: A. a reaction useful for identifying sugars by crystal shape
Different sugars can form characteristic osazone crystals.
For exam preparation, Osazone formation refers to:
- a lipoprotein that transports cholesterol only
- a reaction useful for identifying sugars by crystal shape
- long-term DNA storage molecules
- a membrane receptor for insulin only
Show Answer
Correct Answer: B. a reaction useful for identifying sugars by crystal shape
Different sugars can form characteristic osazone crystals.
In chemistry of carbohydrates and lipids, which statement is correct about Osazone formation?
- free monosaccharides dissolved in urine
- storage polysaccharides of plants
- a reaction useful for identifying sugars by crystal shape
- a method for sequencing DNA bases
Show Answer
Correct Answer: C. a reaction useful for identifying sugars by crystal shape
Different sugars can form characteristic osazone crystals.
Which option correctly describes Biological importance of carbohydrates?
- a fat-soluble vitamin carrier only
- linear polysaccharides made of glucose only
- a method for sequencing DNA bases
- energy supply, structural support, storage and cell recognition
Show Answer
Correct Answer: D. energy supply, structural support, storage and cell recognition
Carbohydrates have metabolic, structural and informational roles.
For exam preparation, Biological importance of carbohydrates refers to:
- a metal ion required for hemoglobin
- energy supply, structural support, storage and cell recognition
- a method for sequencing DNA bases
- linear polysaccharides made of glucose only
Show Answer
Correct Answer: B. energy supply, structural support, storage and cell recognition
Carbohydrates have metabolic, structural and informational roles.
In chemistry of carbohydrates and lipids, which statement is correct about Biological importance of carbohydrates?
- energy supply, structural support, storage and cell recognition
- linear polysaccharides made of glucose only
- a peptide made only of amino acids
- an enzyme that hydrolyzes proteins only
Show Answer
Correct Answer: A. energy supply, structural support, storage and cell recognition
Carbohydrates have metabolic, structural and informational roles.
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