Question 1

The components of the electron transport chain do NOT include

Accepted Answer

A)  oxygen (O₂). 
B)  cytochromes. 
C)  FMN. 
D)  CoQ. 
E)  acetyl CoA. 
A)  oxygen (O₂). 
B)  cytochromes. 
C)  FMN. 
D)  CoQ. 
E)  acetyl CoA.

Question 2

NAD+ participates in reactions that produce

Accepted Answer

A)  a CH₂ group. 
B)  a C=O bond. 
C)  phosphorylation. 
D)  ADP from ATP. 
E)  a C-C bond. 
A)  a CH₂ group. 
B)  a C=O bond. 
C)  phosphorylation. 
D)  ADP from ATP. 
E)  a C-C bond.

Question 3

In this figure depicting the Stages of Metabolism taken from your text, identify the metabolic substance numbered.  
-substance 1

Accepted Answer

The answer of In this figure depicting the Stages of...

Question 4

Which of the following is NOT a possible product of pyruvate under anaerobic conditions?

Accepted Answer

A)  lactate 
B)  acetaldehyde 
C)  fumarate 
D)  ethanol 
E)  CO₂ 
A)  lactate 
B)  acetaldehyde 
C)  fumarate 
D)  ethanol 
E)  CO₂

Question 5

Indicate the amount of ATP produced when each of the following reactions occurs.
-complete oxidation of glucose

Accepted Answer

A) 6 ATP 
B) 2 ATP 
C) 36 ATP 
D) 12 ATP 
E) 3 ATP 
A) 6 ATP 
B) 2 ATP 
C) 36 ATP 
D) 12 ATP 
E) 3 ATP

Question 6

In electron transport, NADH and FADH₂ are used to provide

Accepted Answer

A)  oxygen. 
B)  electrons and hydrogen ions. 
C)  carbon atoms. 
D)  water and carbon dioxide. 
E)  thiol groups. 
A)  oxygen. 
B)  electrons and hydrogen ions. 
C)  carbon atoms. 
D)  water and carbon dioxide. 
E)  thiol groups.

Question 7

In this figure depicting the Stages of Metabolism taken from your text, identify the metabolic substance numbered.  
-substance 6

Accepted Answer

The answer of In this figure depicting the Stages of...

Question 8

In the dehydration of succinate to fumarate in the citric acid cycle, the coenzyme used is

Accepted Answer

A)  CoA. 
B)  acetyl CoA. 
C)  NAD+. 
D)  NADH. 
E)  FAD. 
A)  CoA. 
B)  acetyl CoA. 
C)  NAD+. 
D)  NADH. 
E)  FAD.

Question 9

Identify each of the following metabolic pathways.
-the series of reactions that uses electron carriers

Accepted Answer

A) glycolysis 
B) electron transport 
C) citric acid cycle 
A) glycolysis 
B) electron transport 
C) citric acid cycle

Question 10

One example of an electron carrier in the respiratory chain is

Accepted Answer

A)  ATP. 
B)  GTP. 
C)  coenzyme Q. 
D)  citrate. 
E)  water. 
A)  ATP. 
B)  GTP. 
C)  coenzyme Q. 
D)  citrate. 
E)  water.

Question 11

Indicate the amount of ATP produced when each of the following reactions occurs.
-glucose → 2 pyruvate under aerobic conditions

Accepted Answer

A) 6 ATP 
B) 2 ATP 
C) 36 ATP 
D) 12 ATP 
E) 3 ATP 
A) 6 ATP 
B) 2 ATP 
C) 36 ATP 
D) 12 ATP 
E) 3 ATP

Question 12

In this figure depicting the Stages of Metabolism taken from your text, identify the metabolic substance numbered.  
-substance 7

Accepted Answer

The answer of In this figure depicting the Stages of...

Question 13

NAD+ acts as a hydrogen acceptor in metabolic reactions.

Accepted Answer

A) True 
 B)False

Question 14

Which of the three major stages of metabolism includes the citric acid cycle?

Accepted Answer

A)  Stage one 
B)  Stage two 
C)  Stage three 
A)  Stage one 
B)  Stage two 
C)  Stage three

Question 15

Indicate the amount of ATP produced when each of the following reactions occurs.
-pyruvate → acetate + CO₂

Accepted Answer

A) 6 ATP 
B) 2 ATP 
C) 36 ATP 
D) 12 ATP 
E) 3 ATP 
A) 6 ATP 
B) 2 ATP 
C) 36 ATP 
D) 12 ATP 
E) 3 ATP

Question 16

In this figure depicting the Stages of Metabolism taken from your text, identify the metabolic substance numbered.  
-substance 5

Accepted Answer

The answer of In this figure depicting the Stages of...

Question 17

In this figure depicting the Stages of Metabolism taken from your text, identify the metabolic substance numbered.  
-substance 3

Accepted Answer

The answer of In this figure depicting the Stages of...

Question 18

In the first reaction of the citric acid cycle

Accepted Answer

A)  glucose becomes pyruvate. 
B)  ATP is produced. 
C)  NADH is produced. 
D)  acetyl CoA reacts with oxaloacetate to give citrate. 
E)  pyruvate becomes CO₂ and H₂O. 
A)  glucose becomes pyruvate. 
B)  ATP is produced. 
C)  NADH is produced. 
D)  acetyl CoA reacts with oxaloacetate to give citrate. 
E)  pyruvate becomes CO₂ and H₂O.

Question 19

Cyt c is a component of complex IV.

Accepted Answer

A) True 
 B)False

Question 20

In this figure depicting the Stages of Metabolism taken from your text, identify the metabolic substance numbered.  
-process 11

Accepted Answer

oxidative

Exam 23: Metabolism and Energy Production

The components of the electron transport chain do NOT include

NAD+ participates in reactions that produce

In this figure depicting the Stages of Metabolism taken from your text, identify the metabolic substance numbered. -substance 1

Which of the following is NOT a possible product of pyruvate under anaerobic conditions?

Indicate the amount of ATP produced when each of the following reactions occurs. -complete oxidation of glucose

In electron transport, NADH and FADH₂ are used to provide

In this figure depicting the Stages of Metabolism taken from your text, identify the metabolic substance numbered. -substance 6

In the dehydration of succinate to fumarate in the citric acid cycle, the coenzyme used is

Identify each of the following metabolic pathways. -the series of reactions that uses electron carriers

One example of an electron carrier in the respiratory chain is

Indicate the amount of ATP produced when each of the following reactions occurs. -glucose → 2 pyruvate under aerobic conditions

In this figure depicting the Stages of Metabolism taken from your text, identify the metabolic substance numbered. -substance 7

NAD+ acts as a hydrogen acceptor in metabolic reactions.

Which of the three major stages of metabolism includes the citric acid cycle?

Indicate the amount of ATP produced when each of the following reactions occurs. -pyruvate → acetate + CO₂

In this figure depicting the Stages of Metabolism taken from your text, identify the metabolic substance numbered. -substance 5

In this figure depicting the Stages of Metabolism taken from your text, identify the metabolic substance numbered. -substance 3

In the first reaction of the citric acid cycle

Cyt c is a component of complex IV.

In this figure depicting the Stages of Metabolism taken from your text, identify the metabolic substance numbered. -process 11

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