Question 1

In this figure, depicting part 1 of the Citric Acid Cycle, taken from your text, identify the substances numbered.  
-substance 15

Accepted Answer

The answer of In this figure, depicting part 1 of...

Question 2

The compounds in the respiratory chain that remove hydrogen ions and electrons from NADH are classified as

Accepted Answer

A)  oxidative transporters. 
B)  osmotic carriers. 
C)  electron carriers. 
D)  phosphorylators. 
E)  citrates. 
A)  oxidative transporters. 
B)  osmotic carriers. 
C)  electron carriers. 
D)  phosphorylators. 
E)  citrates.

Question 3

Cyanide ion and carbon monoxide inhibit

Accepted Answer

A)  cytochrome c oxidase. 
B)  ATP production. 
C)  antibiotic activity. 
D)  CoQ formation. 
E)  CoA formation. 
A)  cytochrome c oxidase. 
B)  ATP production. 
C)  antibiotic activity. 
D)  CoQ formation. 
E)  CoA formation.

Question 4

Which coenzyme is the electron acceptor in the following reaction?

Accepted Answer

A)  FAD 
B)  NAD+ 
C)  FMN 
D)  NADH 
E)  FADH₂ 
A)  FAD 
B)  NAD+ 
C)  FMN 
D)  NADH 
E)  FADH₂

Question 5

In this figure depicting the Stages of Metabolism taken from your text, identify the metabolic substance numbered.  
-process 10

Accepted Answer

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

Question 6

In this figure, depicting part 1 of the Citric Acid Cycle, taken from your text, identify the substances numbered.  
-substance 18

Accepted Answer

The answer of In this figure, depicting part 1 of...

Question 7

In electron transport, the synthesis of ATP from ADP + Pi is called

Accepted Answer

A)  glycolysis. 
B)  fermentation. 
C)  oxidative phosphorylation. 
D)  isomerization. 
E)  hydrolysis. 
A)  glycolysis. 
B)  fermentation. 
C)  oxidative phosphorylation. 
D)  isomerization. 
E)  hydrolysis.

Question 8

Which coenzyme is the electron acceptor in the following reaction?

Accepted Answer

A)  FAD 
B)  NAD+ 
C)  FMN 
D)  NADH 
E)  FADH₂ 
A)  FAD 
B)  NAD+ 
C)  FMN 
D)  NADH 
E)  FADH₂

Question 9

In order to enter the citric acid cycle, pyruvate is first converted to

Accepted Answer

A)  ate. 
B)  acetaldehyde. 
C)  citrate. 
D)  acetyl CoA. 
E)  ethanol. 
A)  ate. 
B)  acetaldehyde. 
C)  citrate. 
D)  acetyl CoA. 
E)  ethanol.

Question 10

The transformation of citrate to isocitrate in the citric acid cycle requires two __________ reactions.

Accepted Answer

A)  oxidation 
B)  reduction 
C)  hydrolysis 
D)  decarboxylation 
E)  dehydration-hydration 
A)  oxidation 
B)  reduction 
C)  hydrolysis 
D)  decarboxylation 
E)  dehydration-hydration

Question 11

When oxygen is in plentiful supply in the cell, pyruvate is converted to

Accepted Answer

A)  CoA. 
B)  acetyl CoA. 
C)  glucose. 
D)  lactate. 
E)  fructose. 
A)  CoA. 
B)  acetyl CoA. 
C)  glucose. 
D)  lactate. 
E)  fructose.

Question 12

Which of the following compounds in the citric acid cycle undergoes oxidative decarboxylation?

Accepted Answer

A)  citrate 
B)  isocitrate 
C)  succinate 
D)  fumarate 
E)  succinyl CoA 
A)  citrate 
B)  isocitrate 
C)  succinate 
D)  fumarate 
E)  succinyl CoA

Question 13

FADH₂ is the oxidized form of FAD.

Accepted Answer

A) True 
 B)False

Question 14

The last step in the citric acid cycle converts malate to

Accepted Answer

A)  citrate. 
B)  isocitrate. 
C)  succinate. 
D)  fumarate. 
E)  oxaloacetate. 
A)  citrate. 
B)  isocitrate. 
C)  succinate. 
D)  fumarate. 
E)  oxaloacetate.

Question 15

Identify each of the following metabolic pathways.
-the series of reactions that produces water

Accepted Answer

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

Question 16

What is the correct coefficient for ATP in the complete combustion of glucose? 
C6H12O6 + 6O₂ → 6CO₂ + _____ ATP + 6H₂O

Accepted Answer

A)  6 
B)  12 
C)  18 
D)  24 
E)  36 
A)  6 
B)  12 
C)  18 
D)  24 
E)  36

Question 17

12 ATP are produced when glucose is oxidized to CO₂ and H₂O.

Accepted Answer

A) True 
 B)False

Question 18

Which of the following metabolic pathways can occur in the absence of oxygen?

Accepted Answer

A)  electron transport 
B)  oxidative phosphorylation 
C)  citric acid cycle 
D)  glycolysis 
E)  β-oxidation 
A)  electron transport 
B)  oxidative phosphorylation 
C)  citric acid cycle 
D)  glycolysis 
E)  β-oxidation

Question 19

The energy released during electron transport is used to produce

Accepted Answer

A)  glucose. 
B)  citric acid. 
C)  carbon dioxide. 
D)  ATP. 
E)  NADH. 
A)  glucose. 
B)  citric acid. 
C)  carbon dioxide. 
D)  ATP. 
E)  NADH.

Question 20

In this figure depicting the Stages of Metabolism taken from your text, identify the metabolic substance numbered.  
-substance 4

Accepted Answer

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

Exam 23: Metabolism and Energy Production

In this figure, depicting part 1 of the Citric Acid Cycle, taken from your text, identify the substances numbered. -substance 15

The compounds in the respiratory chain that remove hydrogen ions and electrons from NADH are classified as

Cyanide ion and carbon monoxide inhibit

Which coenzyme is the electron acceptor in the following reaction?

In this figure depicting the Stages of Metabolism taken from your text, identify the metabolic substance numbered. -process 10

In this figure, depicting part 1 of the Citric Acid Cycle, taken from your text, identify the substances numbered. -substance 18

In electron transport, the synthesis of ATP from ADP + Pi is called

Which coenzyme is the electron acceptor in the following reaction?

In order to enter the citric acid cycle, pyruvate is first converted to

The transformation of citrate to isocitrate in the citric acid cycle requires two __________ reactions.

When oxygen is in plentiful supply in the cell, pyruvate is converted to

Which of the following compounds in the citric acid cycle undergoes oxidative decarboxylation?

FADH₂ is the oxidized form of FAD.

The last step in the citric acid cycle converts malate to

Identify each of the following metabolic pathways. -the series of reactions that produces water

What is the correct coefficient for ATP in the complete combustion of glucose? C6H12O6 + 6O₂ → 6CO₂ + _____ ATP + 6H₂O

12 ATP are produced when glucose is oxidized to CO₂ and H₂O.

Which of the following metabolic pathways can occur in the absence of oxygen?

The energy released during electron transport is used to produce

In this figure depicting the Stages of Metabolism taken from your text, identify the metabolic substance numbered. -substance 4

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What is the correct coefficient for ATP in the complete combustion of glucose? C₆H₁₂O₆ + 6O₂ → 6CO₂ + _____ ATP + 6H₂O