Question 1

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 2

What is the purpose of flavin adenine dinucleotide (FAD) in the body?

Accepted Answer

A)  It is an oxidizing agent. 
B)  It is a reducing agent. 
C)  It donates oxygen. 
D)  It donates hydrogen. 
E)  It accepts oxygen. 
A)  It is an oxidizing agent. 
B)  It is a reducing agent. 
C)  It donates oxygen. 
D)  It donates hydrogen. 
E)  It accepts oxygen.

Question 3

Which statement best describes why vitamin A is soluble in organic solvents but not in water?

Accepted Answer

A)  Actually, vitamin A is water soluble. 
B)  The hydroxyl group is hydrophobic in this case. 
C)  Vitamin A does not contain any hydrophilic groups. 
D)  The hydrophobic part of the molecule is much larger than the hydrophilic. 
E)  Vitamin A does not contain any hydrophobic groups. 
A)  Actually, vitamin A is water soluble. 
B)  The hydroxyl group is hydrophobic in this case. 
C)  Vitamin A does not contain any hydrophilic groups. 
D)  The hydrophobic part of the molecule is much larger than the hydrophilic. 
E)  Vitamin A does not contain any hydrophobic groups.

Question 4

Which statement describes a difference between FAD/FADH2 ?and NAD+/NADH?

Accepted Answer

A)  FAD/FADH2 is an enzyme and NAD+/NADH is not. 
B)  FAD/FADH2 is coenzyme and NAD+/NADH is not. 
C)  FAD/FADH2 is found in cells of the body and NAD+/NADH is not. 
D)  FAD/FADH2 is involved in reactions of alkenes and NAD+/NADH is involved in reactions of C-O bonds. 
E)  FAD/FADH2 and NAD+/NADH are identical. 
A)  FAD/FADH2 is an enzyme and NAD+/NADH is not. 
B)  FAD/FADH2 is coenzyme and NAD+/NADH is not. 
C)  FAD/FADH2 is found in cells of the body and NAD+/NADH is not. 
D)  FAD/FADH2 is involved in reactions of alkenes and NAD+/NADH is involved in reactions of C-O bonds. 
E)  FAD/FADH2 and NAD+/NADH are identical.

Question 5

Which statement best describes a similarity between a hydration and a dehydration reaction?

Accepted Answer

A)  They both involve hydrogen. 
B)  They both involve addition to a double bond. 
C)  They both result in splitting a molecule. 
D)  The both result in forming one molecule from two. 
E)  They both involve water. 
A)  They both involve hydrogen. 
B)  They both involve addition to a double bond. 
C)  They both result in splitting a molecule. 
D)  The both result in forming one molecule from two. 
E)  They both involve water.

Question 6

Which statement best describes the following reaction?

Accepted Answer

A)  In this reaction, both iron and copper are reduced. 
B)  In this reaction, both iron and copper are oxidized. 
C)  In this reaction, iron is reduced and copper is oxidized. 
D)  In this reaction, iron is oxidized and copper is reduced. 
E)  This is not an oxidation-reduction reaction. 
A)  In this reaction, both iron and copper are reduced. 
B)  In this reaction, both iron and copper are oxidized. 
C)  In this reaction, iron is reduced and copper is oxidized. 
D)  In this reaction, iron is oxidized and copper is reduced. 
E)  This is not an oxidation-reduction reaction.

Question 7

Which of the following statements describe esters? I. They are fruit flavorings.
II) They are sometimes a component of perfumes.
III) Soap can be made from an ester.

Accepted Answer

A)  All of these statements describe esters. 
B)  Only I describes esters. 
C)  I and II describe esters. 
D)  I and III describe esters. 
E)  II and III describe esters. 
A)  All of these statements describe esters. 
B)  Only I describes esters. 
C)  I and II describe esters. 
D)  I and III describe esters. 
E)  II and III describe esters.

Question 8

Cellular respiration is an example of a(n) ___________ reaction. I. oxidation-reduction
II) acid-Base
III) combustion

Accepted Answer

A)  I only 
B)  I and II only 
C)  III only 
D)  I and III only 
E)  I, II and III 
A)  I only 
B)  I and II only 
C)  III only 
D)  I and III only 
E)  I, II and III

Question 9

The following reaction is one step in the key metabolic pathway called the TCA (or Krebs) cycle. This reaction is missing a reactant (A) which reacts to form a product (B). What is the identity of A and B?

Accepted Answer

A)  A is NAD+ and B is NADH + H+. 
B)  A is FAD and B is FADH2. 
C)  A is NADH + H+ and B is NAD+. 
D)  A is FADH2 and B is FAD. 
E)  Actually, there is no A, but B is H2. 
A)  A is NAD+ and B is NADH + H+. 
B)  A is FAD and B is FADH2. 
C)  A is NADH + H+ and B is NAD+. 
D)  A is FADH2 and B is FAD. 
E)  Actually, there is no A, but B is H2.

Question 10

Which ester has a line through the bond(s) 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 11

An individual with phenylketonuria (PKU)

Accepted Answer

A)  does not metabolize phenylalanine. 
B)  metabolizes phenylalanine too rapidly. 
C)  metabolizes tyrosine too rapidly. 
D)  must consume extraordinary quantities of proteins. 
E)  does not metabolize tyrosine. 
A)  does not metabolize phenylalanine. 
B)  metabolizes phenylalanine too rapidly. 
C)  metabolizes tyrosine too rapidly. 
D)  must consume extraordinary quantities of proteins. 
E)  does not metabolize tyrosine.

Question 12

What is the product of the following amidation reaction?

Accepted Answer

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

Question 13

Which of the following is a reason for classifying organic molecules by functional group?

Accepted Answer

A)  The reactivity of a molecule is determined by the functional groups in a molecule. 
B)  Molecules with the same functional group tend to react similarly. 
C)  A specific functional group has characteristic reactivity. 
D)  You can predict the reactivity of a molecule if you know the functional groups that it contains. 
E)  All of the above 
A)  The reactivity of a molecule is determined by the functional groups in a molecule. 
B)  Molecules with the same functional group tend to react similarly. 
C)  A specific functional group has characteristic reactivity. 
D)  You can predict the reactivity of a molecule if you know the functional groups that it contains. 
E)  All of the above

Question 14

An ester, thioester or amide can all undergo hydrolysis. Which of the following characteristics do these three reactions have in common?

Accepted Answer

A)  All produce water. 
B)  All produce a carboxylic acid. 
C)  All require a strong acid to occur. 
D)  All are very unfavorable. 
E)  All are very fast reactions. 
A)  All produce water. 
B)  All produce a carboxylic acid. 
C)  All require a strong acid to occur. 
D)  All are very unfavorable. 
E)  All are very fast reactions.

Question 15

What is the product of the following reaction?

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 what changes occur over the course of the following oxidation-reduction reaction? Fe + Cu2+ → Fe2+ + Cu

Accepted Answer

A)  Two electrons are lost. 
B)  Iron changes into copper. 
C)  Iron transfers two electrons to copper. 
D)  Copper transfers two electrons to iron. 
E)  Two electrons are gained. 
A)  Two electrons are lost. 
B)  Iron changes into copper. 
C)  Iron transfers two electrons to copper. 
D)  Copper transfers two electrons to iron. 
E)  Two electrons are gained.

Question 17

What is the product of this esterification 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

Which of the following functional groups is produced when a carboxylic acid and an alcohol react in the presence of a catalyst?

Accepted Answer

A)  an aldehyde 
B)  an ether 
C)  a ketone 
D)  an ester 
E)  a salt 
A)  an aldehyde 
B)  an ether 
C)  a ketone 
D)  an ester 
E)  a salt

Question 19

What type of reaction is this?

Accepted Answer

A)  oxidation 
B)  reduction 
C)  combustion 
D)  hydration 
E)  dehydration 
A)  oxidation 
B)  reduction 
C)  combustion 
D)  hydration 
E)  dehydration

Question 20

Which of the following characteristics is not shared by all combustion reactions?

Accepted Answer

A)  They occur in multiple steps. 
B)  They require oxygen. 
C)  They release water and carbon dioxide. 
D)  They are exothermic. 
E)  They are a type of oxidation-reduction reaction. 
A)  They occur in multiple steps. 
B)  They require oxygen. 
C)  They release water and carbon dioxide. 
D)  They are exothermic. 
E)  They are a type of oxidation-reduction reaction.

What is the product of the following reaction?

What is the purpose of flavin adenine dinucleotide (FAD) in the body?

Which statement best describes why vitamin A is soluble in organic solvents but not in water?

Which statement describes a difference between FAD/FADH₂ ?and NAD⁺/NADH?

Which statement best describes a similarity between a hydration and a dehydration reaction?

Which statement best describes the following reaction?

Which of the following statements describe esters? I. They are fruit flavorings. II) They are sometimes a component of perfumes. III) Soap can be made from an ester.

Cellular respiration is an example of a(n) ___________ reaction. I. oxidation-reduction II) acid-Base III) combustion

The following reaction is one step in the key metabolic pathway called the TCA (or Krebs) cycle. This reaction is missing a reactant (A) which reacts to form a product (B). What is the identity of A and B?

Which ester has a line through the bond(s) that is broken during hydrolysis?

An individual with phenylketonuria (PKU)

What is the product of the following amidation reaction?

Which of the following is a reason for classifying organic molecules by functional group?

An ester, thioester or amide can all undergo hydrolysis. Which of the following characteristics do these three reactions have in common?

What is the product of the following reaction?

Which statement best describes what changes occur over the course of the following oxidation-reduction reaction? Fe + Cu²⁺ → Fe²⁺+ Cu

What is the product of this esterification reaction?

Which of the following functional groups is produced when a carboxylic acid and an alcohol react in the presence of a catalyst?

What type of reaction is this?

Which of the following characteristics is not shared by all combustion reactions?

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

Exam 10: The Reactions of Organic Functional Groups in Biochemistry

What is the product of the following reaction?

What is the purpose of flavin adenine dinucleotide (FAD) in the body?

Which statement best describes why vitamin A is soluble in organic solvents but not in water?

Which statement describes a difference between FAD/FADH2 ?and NAD+/NADH?

Which statement best describes a similarity between a hydration and a dehydration reaction?

Which statement best describes the following reaction?

Which of the following statements describe esters? I. They are fruit flavorings. II) They are sometimes a component of perfumes. III) Soap can be made from an ester.

Cellular respiration is an example of a(n) ___________ reaction. I. oxidation-reduction II) acid-Base III) combustion

The following reaction is one step in the key metabolic pathway called the TCA (or Krebs) cycle. This reaction is missing a reactant (A) which reacts to form a product (B). What is the identity of A and B?

Which ester has a line through the bond(s) that is broken during hydrolysis?

An individual with phenylketonuria (PKU)

What is the product of the following amidation reaction?

Which of the following is a reason for classifying organic molecules by functional group?

An ester, thioester or amide can all undergo hydrolysis. Which of the following characteristics do these three reactions have in common?

What is the product of the following reaction?

Which statement best describes what changes occur over the course of the following oxidation-reduction reaction? Fe + Cu2+ → Fe2+ + Cu

What is the product of this esterification reaction?

Which of the following functional groups is produced when a carboxylic acid and an alcohol react in the presence of a catalyst?

What type of reaction is this?

Which of the following characteristics is not shared by all combustion reactions?

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

Which statement describes a difference between FAD/FADH₂ ?and NAD⁺/NADH?

Which statement best describes what changes occur over the course of the following oxidation-reduction reaction? Fe + Cu²⁺ → Fe²⁺+ Cu