Question 1

The conversion of ATP to ADP and inorganic phosphate produces 7.3 kcal/mole of energy.

Accepted Answer

A) True 
 B)False

Question 2

Overall, one turn of the citric acid cycle produces

Accepted Answer

A)  three CO₂ molecules. 
B)  three NADH molecules. 
C)  two FADH₂ molecules. 
D)  6 ATP. 
E)  2 GTP. 
A)  three CO₂ molecules. 
B)  three NADH molecules. 
C)  two FADH₂ molecules. 
D)  6 ATP. 
E)  2 GTP.

Question 3

In this figure, depicting part 1 of the Citric Acid Cycle, taken from your text, identify the substances numbered.  
-substance 14

Accepted Answer

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

Question 4

Under anaerobic conditions, there is a net production of __________ ATP during glycolysis.

Accepted Answer

A)  zero 
B)  two 
C)  four 
D)  six 
E)  eight 
A)  zero 
B)  two 
C)  four 
D)  six 
E)  eight

Question 5

The GTP formed in step 5 of the citric acid cycle is used to make

Accepted Answer

A)  carbon dioxide. 
B)  oxygen. 
C)  water. 
D)  CoA. 
E)  ATP. 
A)  carbon dioxide. 
B)  oxygen. 
C)  water. 
D)  CoA. 
E)  ATP.

Question 6

During the first reaction in the citric acid cycle,

Accepted Answer

A)  free CoA is released. 
B)  acetyl CoA is made. 
C)  a decarboxylation occurs. 
D)  a decomposition occurs. 
E)  ATP is synthesized. 
A)  free CoA is released. 
B)  acetyl CoA is made. 
C)  a decarboxylation occurs. 
D)  a decomposition occurs. 
E)  ATP is synthesized.

Question 7

The citric acid cycle step that removes the first CO₂ molecule is a(n)

Accepted Answer

A)  oxidative decarboxylation. 
B)  reduction. 
C)  carbonylation. 
D)  hydrolysis. 
E)  combination. 
A)  oxidative decarboxylation. 
B)  reduction. 
C)  carbonylation. 
D)  hydrolysis. 
E)  combination.

Question 8

In the third major step of the citric acid cycle, NAD+ is converted to

Accepted Answer

A)  NAS-. 
B)  NAD2+. 
C)  NADH₂ 
D)  NAD. 
E)  NADH. 
A)  NAS-. 
B)  NAD2+. 
C)  NADH₂ 
D)  NAD. 
E)  NADH.

Question 9

Which is the best choice for the box labeled "Answer" in the illustration below?

Accepted Answer

A)  oxidized carrier B 
B)  carbon dioxide 
C)  OH- 
D)  reduced carrier BH₂ 
E)  energy 
A)  oxidized carrier B 
B)  carbon dioxide 
C)  OH- 
D)  reduced carrier BH₂ 
E)  energy

Question 10

The energy levels of complexes decrease as electron transport progresses.

Accepted Answer

A) True 
 B)False

Question 11

Identify each of the following metabolic pathways.
-the series of reactions that converts acetyl CoA to carbon dioxide and water

Accepted Answer

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

Question 12

In this figure depicting the Stages of Metabolism taken from your text, identify the metabolic substance numbered.  
-process 9

Accepted Answer

citric acid cycle or

Question 13

In stage three of metabolism, the overall result is to release

Accepted Answer

A)  glucose and water. 
B)  lactate and acetyl CoA. 
C)  lactate and glucose. 
D)  glycogen and water. 
E)  carbon dioxide and energy. 
A)  glucose and water. 
B)  lactate and acetyl CoA. 
C)  lactate and glucose. 
D)  glycogen and water. 
E)  carbon dioxide and energy.

Question 14

Which of the following is the net reaction for one turn of the citric acid cycle?

Accepted Answer

A)  Acetyl-S-CoA + 3 NAD+ + FAD + GDP + Pi + 2H₂O → 2 CO₂ + 3 NADH + 3 H+ + FADH₂ + HS-CoA + GTP 
B)  Pyruvate + 3 NAD+ + FAD + GDP + Pi + 2H₂O → 3 CO₂ + 3 NADH + 3 H+ + FADH₂ + GTP 
C)  Acetyl-S-CoA + NAD+ + FAD + GDP + Pi → 2 CO₂ + NADH + H+ + FADH₂ + HS-CoA + GTP 
D)  Glucose + 2 NAD+ + 2GDP + 2 Pi + 2H₂O → 2Pyruvate + 2 NADH + 2 H+ + GTP 
E)  Glucose + 2GDP + 2Pi → 2Lactate + 2GTP 
A)  Acetyl-S-CoA + 3 NAD+ + FAD + GDP + Pi + 2H₂O → 2 CO₂ + 3 NADH + 3 H+ + FADH₂ + HS-CoA + GTP 
B)  Pyruvate + 3 NAD+ + FAD + GDP + Pi + 2H₂O → 3 CO₂ + 3 NADH + 3 H+ + FADH₂ + GTP 
C)  Acetyl-S-CoA + NAD+ + FAD + GDP + Pi → 2 CO₂ + NADH + H+ + FADH₂ + HS-CoA + GTP 
D)  Glucose + 2 NAD+ + 2GDP + 2 Pi + 2H₂O → 2Pyruvate + 2 NADH + 2 H+ + GTP 
E)  Glucose + 2GDP + 2Pi → 2Lactate + 2GTP

Question 15

In electron transport, the oxidized product from the reaction of FMN + NADH + H+ is

Accepted Answer

A)  CoQ. 
B)  FMNH₂. 
C)  FADH. 
D)  FAD. 
E)  NAD+. 
A)  CoQ. 
B)  FMNH₂. 
C)  FADH. 
D)  FAD. 
E)  NAD+.

Question 16

The electron carrier __________ provides two ATP via electron transport.

Accepted Answer

A)  FADH₂ 
B)  NADH 
C)  NADPH 
D)  CoASH 
E)  FNMH₂ 
A)  FADH₂ 
B)  NADH 
C)  NADPH 
D)  CoASH 
E)  FNMH₂

Question 17

In the chemiosmotic model of oxidative phosphorylation, ATP is synthesized as

Accepted Answer

A)  OH- flows through ATP synthase. 
B)  electrons flow through ATP synthase. 
C)  Ca2+ flows through ATP synthase. 
D)  H+ flows through ATP synthase. 
E)  Na+ flows through ATP synthase. 
A)  OH- flows through ATP synthase. 
B)  electrons flow through ATP synthase. 
C)  Ca2+ flows through ATP synthase. 
D)  H+ flows through ATP synthase. 
E)  Na+ flows through ATP synthase.

Question 18

When combined with electron transport, one turn of the citric acid cycle produces __________ ATP.

Accepted Answer

A)  24 
B)  12 
C)  11 
D)  14 
E)  2 
A)  24 
B)  12 
C)  11 
D)  14 
E)  2

Question 19

Indicate the amount of ATP produced when each of the following reactions occurs.
-Acetyl CoA → 2CO₂

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 20

Most of the energy released in the citric acid cycle is used to produce

Accepted Answer

A)  glucose. 
B)  acetyl CoA. 
C)  NADH and FADH₂. 
D)  carbon dioxide and water. 
E)  citric acid. 
A)  glucose. 
B)  acetyl CoA. 
C)  NADH and FADH₂. 
D)  carbon dioxide and water. 
E)  citric acid.

Exam 23: Metabolism and Energy Production

The conversion of ATP to ADP and inorganic phosphate produces 7.3 kcal/mole of energy.

Overall, one turn of the citric acid cycle produces

In this figure, depicting part 1 of the Citric Acid Cycle, taken from your text, identify the substances numbered. -substance 14

Under anaerobic conditions, there is a net production of __________ ATP during glycolysis.

The GTP formed in step 5 of the citric acid cycle is used to make

During the first reaction in the citric acid cycle,

The citric acid cycle step that removes the first CO₂ molecule is a(n)

In the third major step of the citric acid cycle, NAD+ is converted to

Which is the best choice for the box labeled "Answer" in the illustration below?

The energy levels of complexes decrease as electron transport progresses.

Identify each of the following metabolic pathways. -the series of reactions that converts acetyl CoA to carbon dioxide and water

In this figure depicting the Stages of Metabolism taken from your text, identify the metabolic substance numbered. -process 9

In stage three of metabolism, the overall result is to release

Which of the following is the net reaction for one turn of the citric acid cycle?

In electron transport, the oxidized product from the reaction of FMN + NADH + H+ is

The electron carrier __________ provides two ATP via electron transport.

In the chemiosmotic model of oxidative phosphorylation, ATP is synthesized as

When combined with electron transport, one turn of the citric acid cycle produces __________ ATP.

Indicate the amount of ATP produced when each of the following reactions occurs. -Acetyl CoA → 2CO₂

Most of the energy released in the citric acid cycle is used to produce

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