Question 1

Which of the following reactions is the saponification of a fat?

Accepted Answer

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

Question 2

Which functional group can be oxidized but not reduced?

Accepted Answer

A)  an alcohol 
B)  an alkane 
C)  an alkyne 
D)  an alkene 
E)  a carboxylic acid 
A)  an alcohol 
B)  an alkane 
C)  an alkyne 
D)  an alkene 
E)  a carboxylic acid

Question 3

Sorbitol is a sweetener often used in chewing gum and diet drinks. It is obtained by the following reaction. Which of the following functional group transformations occur during this reaction?

Accepted Answer

A)  The aldehyde becomes an alcohol. 
B)  An alcohol becomes an aldehyde. 
C)  An alcohol disappears. 
D)  A new aldehyde appears. 
E)  All of the above 
A)  The aldehyde becomes an alcohol. 
B)  An alcohol becomes an aldehyde. 
C)  An alcohol disappears. 
D)  A new aldehyde appears. 
E)  All of the above

Question 4

Which statement best describes what occurs over the course of the following reaction?

Accepted Answer

A)  Two hydrogens are added to acyl-CoA, forming a double bond. 
B)  Two hydrogens are added to acyl-CoA, breaking a double bond. 
C)  Two protons are added to acyl-CoA, forming a double bond. 
D)  Two hydrogens are removed from acyl-CoA, forming a double bond. 
E)  Two protons are removed from acyl-CoA, forming a double bond. 
A)  Two hydrogens are added to acyl-CoA, forming a double bond. 
B)  Two hydrogens are added to acyl-CoA, breaking a double bond. 
C)  Two protons are added to acyl-CoA, forming a double bond. 
D)  Two hydrogens are removed from acyl-CoA, forming a double bond. 
E)  Two protons are removed from acyl-CoA, forming a double bond.

Question 5

Is the alkene oxidized or reduced during this reaction and how can you tell?

Accepted Answer

A)  Neither, this is not an oxidation-reduction reaction. 
B)  The alkene is both oxidized and reduced because this is an oxidation-reduction reaction. 
C)  The alkene is oxidized because it loses two hydrogens. 
D)  The alkene is reduced because it loses two hydrogens. 
E)  The alkene is reduced because it gains two hydrogens. 
A)  Neither, this is not an oxidation-reduction reaction. 
B)  The alkene is both oxidized and reduced because this is an oxidation-reduction reaction. 
C)  The alkene is oxidized because it loses two hydrogens. 
D)  The alkene is reduced because it loses two hydrogens. 
E)  The alkene is reduced because it gains two hydrogens.

Question 6

What is the name of the functional group produced by the following reaction?

Accepted Answer

A)  a thioester 
B)  a sulfur 
C)  a sulfhydride 
D)  a thiol 
E)  a hydrogen sulfide 
A)  a thioester 
B)  a sulfur 
C)  a sulfhydride 
D)  a thiol 
E)  a hydrogen sulfide

Question 7

Which of the following partial structures is an acetyl group?

Accepted Answer

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

Question 8

The following reaction occurs in the body. Which of the following reactants is most probably required for this reaction to occur?

Accepted Answer

A)  O2 
B)  H2 
C)  FAD 
D)  NAD 
E)  FADH2 
A)  O2 
B)  H2 
C)  FAD 
D)  NAD 
E)  FADH2

Question 9

What is the role of antioxidants in the body?

Accepted Answer

A)  to reduce free radicals before they can damage cells 
B)  to prevent metabolism from occurring 
C)  to make free radicals 
D)  to react with coenzymes 
E)  All of the above 
A)  to reduce free radicals before they can damage cells 
B)  to prevent metabolism from occurring 
C)  to make free radicals 
D)  to react with coenzymes 
E)  All of the above

Question 10

Phenylketonuria (PKU) can be managed through a strict diet which restricts or eliminates

Accepted Answer

A)  beef. 
B)  chicken. 
C)  fish. 
D)  dairy products. 
E)  All of the above 
A)  beef. 
B)  chicken. 
C)  fish. 
D)  dairy products. 
E)  All of the above

Question 11

Which of the following reactions is used in making soap?

Accepted Answer

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

Question 12

Which of the following pairs of molecules will react similarly in the presence of an oxidant?

Accepted Answer

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

Question 13

Hydrolysis is an example of an acyl group transfer reaction. To what molecule is an acyl group transferred during this type of reaction?

Accepted Answer

A)  an amine 
B)  -OH 
C)  a carboxylic acid 
D)  a thiol 
E)  an ether 
A)  an amine 
B)  -OH 
C)  a carboxylic acid 
D)  a thiol 
E)  an ether

Question 14

What is the product of the following reaction?

Accepted Answer

A)  no reaction 
B)    
C)    
D)    
E)    
A)  no reaction 
B)    
C)    
D)    
E)

Question 15

Select the choice that correctly classifies vitamins by their solubility.

Accepted Answer

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

Question 16

Which statement best describes the distinction between a hydration and a dehydration reaction?

Accepted Answer

A)  Hydration requires a carbonyl group and dehydration does not. 
B)  Hydration is the addition of water and dehydration is the loss of water. 
C)  Hydration results in breaking bonds and dehydration creates bonds. 
D)  Hydration is an oxidation and dehydration is a reduction. 
E)  Hydration and dehydration actually describe the same process. 
A)  Hydration requires a carbonyl group and dehydration does not. 
B)  Hydration is the addition of water and dehydration is the loss of water. 
C)  Hydration results in breaking bonds and dehydration creates bonds. 
D)  Hydration is an oxidation and dehydration is a reduction. 
E)  Hydration and dehydration actually describe the same process.

Question 17

An amide is hydrolyzed as is shown in the following reaction. After it is hydrolyzed, it undergoes another reaction. Which of the following choices represent the products of this further reaction?

Accepted Answer

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

Question 18

Is the ketone oxidized or reduced during this reaction and how can you tell?

Accepted Answer

A)  Neither. This is not an oxidation-reduction reaction. 
B)  The ketone is both oxidized and reduced because this is an oxidation-reduction reaction. 
C)  The ketone is oxidized because it loses two hydrogens. 
D)  The ketone is reduced because it loses two hydrogens. 
E)  The ketone is reduced because it gains two hydrogens. 
A)  Neither. This is not an oxidation-reduction reaction. 
B)  The ketone is both oxidized and reduced because this is an oxidation-reduction reaction. 
C)  The ketone is oxidized because it loses two hydrogens. 
D)  The ketone is reduced because it loses two hydrogens. 
E)  The ketone is reduced because it gains two hydrogens.

Question 19

Which amide has a line through the bond that is broken during hydrolysis?

Accepted Answer

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

Question 20

Foods that contain the product of the reaction shown below are labeled as

Accepted Answer

A)  hydrogenated or partially hydrogenated. 
B)  fatty. 
C)  oily. 
D)  fat free. 
E)  diet. 
A)  hydrogenated or partially hydrogenated. 
B)  fatty. 
C)  oily. 
D)  fat free. 
E)  diet.

Which of the following reactions is the saponification of a fat?

Which functional group can be oxidized but not reduced?

Sorbitol is a sweetener often used in chewing gum and diet drinks. It is obtained by the following reaction. Which of the following functional group transformations occur during this reaction?

Which statement best describes what occurs over the course of the following reaction?

Is the alkene oxidized or reduced during this reaction and how can you tell?

What is the name of the functional group produced by the following reaction?

Which of the following partial structures is an acetyl group?

The following reaction occurs in the body. Which of the following reactants is most probably required for this reaction to occur?

What is the role of antioxidants in the body?

Phenylketonuria (PKU) can be managed through a strict diet which restricts or eliminates

Which of the following reactions is used in making soap?

Which of the following pairs of molecules will react similarly in the presence of an oxidant?

Hydrolysis is an example of an acyl group transfer reaction. To what molecule is an acyl group transferred during this type of reaction?

What is the product of the following reaction?

Select the choice that correctly classifies vitamins by their solubility.

Which statement best describes the distinction between a hydration and a dehydration reaction?

An amide is hydrolyzed as is shown in the following reaction. After it is hydrolyzed, it undergoes another reaction. Which of the following choices represent the products of this further reaction?

Is the ketone oxidized or reduced during this reaction and how can you tell?

Which amide has a line through the bond that is broken during hydrolysis?

Foods that contain the product of the reaction shown below are labeled as

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

Carbohydrates: Structure and Function

Lipids: Structure and Function

Proteins: Structure and Function

Nucleotides and Nucleic Acids

Energy and Metabolism

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Exam 10: The Reactions of Organic Functional Groups in Biochemistry

Which of the following reactions is the saponification of a fat?

Which functional group can be oxidized but not reduced?

Sorbitol is a sweetener often used in chewing gum and diet drinks. It is obtained by the following reaction. Which of the following functional group transformations occur during this reaction?

Which statement best describes what occurs over the course of the following reaction?

Is the alkene oxidized or reduced during this reaction and how can you tell?

What is the name of the functional group produced by the following reaction?

Which of the following partial structures is an acetyl group?

The following reaction occurs in the body. Which of the following reactants is most probably required for this reaction to occur?

What is the role of antioxidants in the body?

Phenylketonuria (PKU) can be managed through a strict diet which restricts or eliminates

Which of the following reactions is used in making soap?

Which of the following pairs of molecules will react similarly in the presence of an oxidant?

Hydrolysis is an example of an acyl group transfer reaction. To what molecule is an acyl group transferred during this type of reaction?

What is the product of the following reaction?

Select the choice that correctly classifies vitamins by their solubility.

Which statement best describes the distinction between a hydration and a dehydration reaction?

An amide is hydrolyzed as is shown in the following reaction. After it is hydrolyzed, it undergoes another reaction. Which of the following choices represent the products of this further reaction?

Is the ketone oxidized or reduced during this reaction and how can you tell?

Which amide has a line through the bond that is broken during hydrolysis?

Foods that contain the product of the reaction shown below are labeled as

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

Carbohydrates: Structure and Function

Lipids: Structure and Function

Proteins: Structure and Function

Nucleotides and Nucleic Acids

Energy and Metabolism

Filters