Question 1

A large molecule composed of many repeating units of smaller molecules is called a

Accepted Answer

A)  polymer. 
B)  monomer. 
C)  manymer. 
D)  macromere. 
E)  carbohydrate. 
A)  polymer. 
B)  monomer. 
C)  manymer. 
D)  macromere. 
E)  carbohydrate.

Question 2

Which of the following choices matches the descriptions of Type I and Type II diabetes and their treatments?

Accepted Answer

A) a 
B) b 
C) c 
D) d 
E) e 
A) a 
B) b 
C) c 
D) d 
E) e

Question 3

The Fischer projection for fructose is shown below. Which functional group(s) does fructose contain?

Accepted Answer

A)  an aldehyde only 
B)  hydroxyl groups only 
C)  hydroxyl groups and an alkene 
D)  hydroxyl groups and a ketone 
E)  hydroxyl groups and an aldehyde 
A)  an aldehyde only 
B)  hydroxyl groups only 
C)  hydroxyl groups and an alkene 
D)  hydroxyl groups and a ketone 
E)  hydroxyl groups and an aldehyde

Question 4

Which of the following arrows is pointing to a glycosidic bond?

Accepted Answer

A)  a only 
B)  b only 
C)  c only 
D)  b and c 
E)  b, c, and d 
A)  a only 
B)  b only 
C)  c only 
D)  b and c 
E)  b, c, and d

Question 5

In which of the following Haworth projections is the arrow pointing to the anomeric carbon?

Accepted Answer

A) a 
B) b 
C) c 
D) d 
E) e 
A) a 
B) b 
C) c 
D) d 
E) e

Question 6

Which of the following statements does NOT describe the anomeric carbon?

Accepted Answer

A)  It is the carbon of the carbonyl in the open-chain form of the sugar. 
B)  This carbon is attached to two oxygens. 
C)  The hydroxyl group on this carbon can be above or below the ring. 
D)  Glucose does not contain an anomeric carbon. 
E)  The anomeric carbon is a center of chirality. 
A)  It is the carbon of the carbonyl in the open-chain form of the sugar. 
B)  This carbon is attached to two oxygens. 
C)  The hydroxyl group on this carbon can be above or below the ring. 
D)  Glucose does not contain an anomeric carbon. 
E)  The anomeric carbon is a center of chirality.

Question 7

Which carbon(s) in the Fischer projection below is/are tetrahedral?

Accepted Answer

A)  all carbons 
B)  carbon I only 
C)  carbon I and VI only 
D)  carbons II, III, IV , and V 
E)  carbons II through VI 
A)  all carbons 
B)  carbon I only 
C)  carbon I and VI only 
D)  carbons II, III, IV , and V 
E)  carbons II through VI

Question 8

Which carbon(s) in the Fischer projection below is/are a center of chirality?

Accepted Answer

A)  all carbons 
B)  carbon I only 
C)  carbon I and VI only 
D)  carbons II, II, IV , and V 
E)  carbons II through IV 
A)  all carbons 
B)  carbon I only 
C)  carbon I and VI only 
D)  carbons II, II, IV , and V 
E)  carbons II through IV

Question 9

This disaccharide has glycosidic bonds to the anomeric carbons of both monosaccharides.

Accepted Answer

A)  lactose 
B)  sucrose 
C)  cellobiose 
D)  maltose 
E)  both cellobiose and maltose 
A)  lactose 
B)  sucrose 
C)  cellobiose 
D)  maltose 
E)  both cellobiose and maltose

Question 10

Which of the following glycosidic linkages does the sugar shown below contain?

Accepted Answer

A)  "F1F1F1S1F1F1F10-(2→4)" 
B)  "F1F1F1S1F1F1F10-(1→4)" 
C)  "F1F1F1S1F1F1F10-(1→4)" 
D)  "F1F1F1S1F1F1F10-(2→4)" 
E)  "F1F1F1S1F1F1F10-(2→6)" 
A)  "F1F1F1S1F1F1F10-(2→4)" 
B)  "F1F1F1S1F1F1F10-(1→4)" 
C)  "F1F1F1S1F1F1F10-(1→4)" 
D)  "F1F1F1S1F1F1F10-(2→4)" 
E)  "F1F1F1S1F1F1F10-(2→6)"

Question 11

Which statement best describes at the molecular level why AB is the universal acceptor?

Accepted Answer

A)  It is the least common blood type. 
B)  It contains both the type A and type B monosaccharides in addition to the core trisaccharide. 
C)  It only contains the core trisaccharide and does not have any additional sugars on it. 
D)  Red blood cells of this type do not have any oligosaccharide markers. 
E)  Type AB has a completely different oligosaccharide marker than A, B, and O. 
A)  It is the least common blood type. 
B)  It contains both the type A and type B monosaccharides in addition to the core trisaccharide. 
C)  It only contains the core trisaccharide and does not have any additional sugars on it. 
D)  Red blood cells of this type do not have any oligosaccharide markers. 
E)  Type AB has a completely different oligosaccharide marker than A, B, and O.

Question 12

The Fischer projection for fructose is shown below. How many carbons does fructose contain?

Accepted Answer

A)  2 
B)  3 
C)  4 
D)  5 
E)  6 
A)  2 
B)  3 
C)  4 
D)  5 
E)  6

Question 13

Only one of the following molecules is a naturally occurring sugar. Which of the following statements is a reason that only one of the sugars is naturally occurring?

Accepted Answer

A)  Naturally occurring sugars do not have multiple hydroxyl groups on a single carbon. 
B)  D-sugars are much more common than l-sugars. 
C)  Naturally occurring sugars are polyhydroxylated. 
D)  Naturally occurring sugars contain a carbonyl. 
E)  All of the above are true statements. 
A)  Naturally occurring sugars do not have multiple hydroxyl groups on a single carbon. 
B)  D-sugars are much more common than l-sugars. 
C)  Naturally occurring sugars are polyhydroxylated. 
D)  Naturally occurring sugars contain a carbonyl. 
E)  All of the above are true statements.

Question 14

Why can't insulin be taken orally?

Accepted Answer

A)  It does not taste very good. 
B)  Enzymes in the saliva break it down. 
C)  Hydrolysis of insulin occurs in the stomach. 
D)  It is not possible to store insulin. 
E)  All of the above 
A)  It does not taste very good. 
B)  Enzymes in the saliva break it down. 
C)  Hydrolysis of insulin occurs in the stomach. 
D)  It is not possible to store insulin. 
E)  All of the above

Question 15

In what part of the body does the metabolism of carbohydrates begin?

Accepted Answer

A)  in the mouth 
B)  in the stomach 
C)  in the pancreas 
D)  in the small intestine 
E)  in the large intestine 
A)  in the mouth 
B)  in the stomach 
C)  in the pancreas 
D)  in the small intestine 
E)  in the large intestine

Question 16

Which of the following structures is a monosaccharide?

Accepted Answer

A)  a 
B)  b 
C)  c 
D)  d 
E)  e 
A)  a 
B)  b 
C)  c 
D)  d 
E)  e

Question 17

Which of the following statements best describes mutarotation?

Accepted Answer

A)  The open chain, α-anomer and β-anomer of a sugar are in equilibrium in solution. 
B)  The sugar spins around (rotates) in solution. 
C)  The sugar mutates in solution. 
D)  The sugar decomposes in solution. 
E)  The sugar both spins around and mutates in solution. 
A)  The open chain, α-anomer and β-anomer of a sugar are in equilibrium in solution. 
B)  The sugar spins around (rotates) in solution. 
C)  The sugar mutates in solution. 
D)  The sugar decomposes in solution. 
E)  The sugar both spins around and mutates in solution.

Question 18

Which of the following classes of biomolecules causes dental caries?

Accepted Answer

A)  carbohydrates 
B)  proteins 
C)  fats 
D)  nucleic acids 
E)  All foods cause dental caries. 
A)  carbohydrates 
B)  proteins 
C)  fats 
D)  nucleic acids 
E)  All foods cause dental caries.

A large molecule composed of many repeating units of smaller molecules is called a

Which of the following choices matches the descriptions of Type I and Type II diabetes and their treatments?

The Fischer projection for fructose is shown below. Which functional group(s) does fructose contain?

Which of the following arrows is pointing to a glycosidic bond?

In which of the following Haworth projections is the arrow pointing to the anomeric carbon?

Which of the following statements does NOT describe the anomeric carbon?

Which carbon(s) in the Fischer projection below is/are tetrahedral?

Which carbon(s) in the Fischer projection below is/are a center of chirality?

This disaccharide has glycosidic bonds to the anomeric carbons of both monosaccharides.

Which of the following glycosidic linkages does the sugar shown below contain?

Which statement best describes at the molecular level why AB is the universal acceptor?

The Fischer projection for fructose is shown below. How many carbons does fructose contain?

Only one of the following molecules is a naturally occurring sugar. Which of the following statements is a reason that only one of the sugars is naturally occurring?

Why can't insulin be taken orally?

In what part of the body does the metabolism of carbohydrates begin?

Which of the following structures is a monosaccharide?

Which of the following statements best describes mutarotation?

Which of the following classes of biomolecules causes dental caries?

Measuring Matter and Energy

Atomic Structure and Nuclear Radiation

Compounds and Molecules

Chemical Quantities and Chemical Reactions

Changes of State and the Gas Laws

Organic Chemistry: Hydrocarbons

Organic Chemistry and Biomolecules

Solutions, Colloids and Membranes

Acids and Bases

The Reactions of Organic Functional Groups in Biochemistry

Lipids: Structure and Function

Proteins: Structure and Function

Nucleotides and Nucleic Acids

Energy and Metabolism

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Exam 11: Carbohydrates: Structure and Function

A large molecule composed of many repeating units of smaller molecules is called a

Which of the following choices matches the descriptions of Type I and Type II diabetes and their treatments?

The Fischer projection for fructose is shown below. Which functional group(s) does fructose contain?

Which of the following arrows is pointing to a glycosidic bond?

In which of the following Haworth projections is the arrow pointing to the anomeric carbon?

Which of the following statements does NOT describe the anomeric carbon?

Which carbon(s) in the Fischer projection below is/are tetrahedral?

Which carbon(s) in the Fischer projection below is/are a center of chirality?

This disaccharide has glycosidic bonds to the anomeric carbons of both monosaccharides.

Which of the following glycosidic linkages does the sugar shown below contain?

Which statement best describes at the molecular level why AB is the universal acceptor?

The Fischer projection for fructose is shown below. How many carbons does fructose contain?

Only one of the following molecules is a naturally occurring sugar. Which of the following statements is a reason that only one of the sugars is naturally occurring?

Why can't insulin be taken orally?

In what part of the body does the metabolism of carbohydrates begin?

Which of the following structures is a monosaccharide?

Which of the following statements best describes mutarotation?

Which of the following classes of biomolecules causes dental caries?

Measuring Matter and Energy

Atomic Structure and Nuclear Radiation

Compounds and Molecules

Chemical Quantities and Chemical Reactions

Changes of State and the Gas Laws

Organic Chemistry: Hydrocarbons

Organic Chemistry and Biomolecules

Solutions, Colloids and Membranes

Acids and Bases

The Reactions of Organic Functional Groups in Biochemistry

Lipids: Structure and Function

Proteins: Structure and Function

Nucleotides and Nucleic Acids

Energy and Metabolism

Filters