Question 1

Use these molecules to label the major inputs and/or outputs of the Krebs cycle on the figure below.
 Figure 7.7 .
-What molecule corresponds to the item labeled as "61" in the accompanying figure?​

Accepted Answer

A)  ​CO₂
B)  ​NADH
C)  ​ADP + Pi
D)  ​FADH₂
E)  ​ATPF) A) and D)
G) B) and E)

Question 2

During the Krebs cycle, ____.

Accepted Answer

A)   ​substrate-level phosphorylation occurs
B)   ​oxaloacetate is consumed
C)   ​electrons and H+ are removed from the coenzymes NADH and FADH
D)   ​molecules of carbon dioxide are consumed
E)   ​oxidative phosphorylation occursF) A) and D)
G) A) and C)

Question 3

How many net ATP are generated in aerobic respiration?

Accepted Answer

A)   ​two
B)   ​eight
C)   ​10
D)   ​32
E)   ​36F) B) and D)
G) B) and E)

Question 4

Use these molecules to label the major inputs and/or outputs of the Krebs cycle on the figure below.
 Figure 7.7 .
-What molecule corresponds to the item labeled as "60" in the accompanying figure?​

Accepted Answer

A)  ​CO₂
B)  ​NADH
C)  ​ADP + Pi
D)  ​FADH₂
E)  ​ATPF) B) and E)
G) C) and E)

Question 5

Fats provide more energy than carbohydrates because they ____.

Accepted Answer

A)   ​are larger molecules
B)   ​require more oxidation reactions to breakdown fully
C)   ​are hydrophilic
D)   ​are liquid
E)   ​are partially oxidized initiallyF) A) and C)
G) A) and B)

Question 6

Substrate-level phosphorylation transfers phosphate groups directly from ____ to ADP.

Accepted Answer

A)   ​a substrate
B)   ​coenzymes
C)   ​the electron transfer chain
D)   ​ATP
E)   ​the Krebs cycleF) A) and B)
G) A) and C)

Question 7

Use the five compounds listed below for the following question.​
-This compound is the end product of glycolysis.

Accepted Answer

A)  ​ethanol
B)  ​pyruvate
C)  ​lactate
D)  ​citrate
E)  ​acetaldehydeF) D) and E)
G) A) and E)

Question 8

In the breakdown of glucose, a phosphorylated six-carbon compound is split into two three-carbon compounds, which are named ____.

Accepted Answer

A)   ​PGAL
B)   ​pyruvate
C)   ​acetyl-CoA
D)   ​lactate
E)   ​acetaldehydeF) A) and D)
G) A) and E)

Question 9

Select the one most appropriate choice for each.
-electron transfer phosphorylation​

Accepted Answer

A)  ​produces NADH and CO₂; pyruvate oxidized
B)  ​​produces ATP, NADH, and CO₂
C)  splits glucose into two pyruvate molecules
D)  ​regenerates NAD+as pyruvate is converted to ethanol or lactate
E)  ​uses a membrane-bound system that sets up production of ATPF) A) and E)
G) B) and D)

Question 10

The breakdown of ____ into cellular energy can involve glycolysis.

Accepted Answer

A)   ​carbohydrates
B)   ​fats
C)   ​proteins
D)   ​carbohydrates and fats
E)   ​fats and proteinsF) A) and B)
G) A) and C)

Question 11

Use these molecules to label the major inputs and/or outputs of the Krebs cycle on the figure below.
 Figure 7.7 .
-What molecule corresponds to the item labeled as "56" in the accompanying figure?​

Accepted Answer

A)  ​CO₂
B)  ​NADH
C)  ​ADP + Pi
D)  ​FADH₂
E)  ​ATPF) D) and E)
G) C) and D)

Question 12

What type of cells is especially impacted by defects in the mitochondria?

Accepted Answer

A)   ​lung cells
B)   ​skin cells
C)   ​heart cells
D)   ​nerve cells
E)   ​bone cellsF) C) and D)
G) A) and D)

Question 13

Use the five processes listed below for the following question.
-This process yields the most energy overall.

Accepted Answer

A)  ​glycolysis
B)  ​aerobic respiration
C)  ​electron transfer phosphorylation
D)  ​alcoholic fermentation
E)  ​lactate fermentationF) C) and D)
G) A) and D)

Question 14

In a mitochondrion, a mutation occurs such that the protein responsible for accepting electrons from FADH₂ no longer functions. How will this affect ATP production?

Accepted Answer

The mitochondrion will make fe...

Question 15

Which of the following has the greatest total energy?

Accepted Answer

A)   ​cAMP
B)   ​ADP
C)   ​ATP
D)   ​glucose
E)   ​NADPHF) C) and D)
G) A) and E)

Question 16

For glycolysis to begin, ____.

Accepted Answer

A)   ​glucose must enter the mitochondria
B)   ​there must be an input of energy from ATP
C)   ​oxygen must be available
D)   ​some hydrogen acceptors must be available
E)   ​there must be an input of energy from ADPF) B) and D)
G) A) and D)

Question 17

Electron transfer phosphorylation yields____ ATPs.

Accepted Answer

A)   ​four
B)   ​two
C)   ​three
D)   ​32
E)   ​zeroF) All of the above
G) A) and D)

Question 18

How many ATP are spent before a glucose molecule can be broken down to release energy?

Accepted Answer

A)   ​one
B)   ​two
C)   ​three
D)   ​four
E)   ​sixF) C) and E)
G) B) and D)

Question 19

Use these molecules to label the major inputs and/or outputs of the Krebs cycle on the figure below.
 Figure 7.7 .
-What molecule corresponds to the item labeled as "59" in the accompanying figure?​

Accepted Answer

A)  ​CO₂
B)  ​NADH
C)  ​ADP + Pi
D)  ​FADH₂
E)  ​ATPF) C) and E)
G) None of the above

Question 20

For animals, the final hydrogen acceptor in cellular respiration is ____.

Accepted Answer

A)   ​NADP+
B)   ​sulfur
C)   ​oxygen
D)   ​magnesium
E)   ​phosphorusF) A) and B)
G) A) and C)

Exam 7: How Cells Release Chemical Energy

How many net ATP are generated in aerobic respiration?

Correct AnswerverifiedShow Answer

Substrate-level phosphorylation transfers phosphate groups directly from ____ to ADP.

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Use these molecules to label the major inputs and/or outputs of the Krebs cycle on the figure below. Figure 7.7 . -What molecule corresponds to the item labeled as "60" in the accompanying figure?​

Correct AnswerverifiedShow Answer

Fats provide more energy than carbohydrates because they ____.

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For animals, the final hydrogen acceptor in cellular respiration is ____.

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In the breakdown of glucose, a phosphorylated six-carbon compound is split into two three-carbon compounds, which are named ____.

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The breakdown of ____ into cellular energy can involve glycolysis.

Correct AnswerverifiedShow Answer

For glycolysis to begin, ____.

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Electron transfer phosphorylation yields____ ATPs.

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During the Krebs cycle, ____.

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Use these molecules to label the major inputs and/or outputs of the Krebs cycle on the figure below. Figure 7.7 . -What molecule corresponds to the item labeled as "59" in the accompanying figure?​

Correct AnswerverifiedShow Answer

Select the one most appropriate choice for each. -electron transfer phosphorylation​

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How many ATP are spent before a glucose molecule can be broken down to release energy?

Correct AnswerverifiedShow Answer

Which of the following has the greatest total energy?

Correct AnswerverifiedShow Answer

In a mitochondrion, a mutation occurs such that the protein responsible for accepting electrons from FADH₂ no longer functions. How will this affect ATP production?

Correct AnswerverifiedThe mitochondrion will make fe...View AnswerShow Answer

Use these molecules to label the major inputs and/or outputs of the Krebs cycle on the figure below. Figure 7.7 . -What molecule corresponds to the item labeled as "61" in the accompanying figure?​

Correct AnswerverifiedShow Answer

What type of cells is especially impacted by defects in the mitochondria?

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Use the five processes listed below for the following question. -This process yields the most energy overall.

Correct AnswerverifiedShow Answer

Use these molecules to label the major inputs and/or outputs of the Krebs cycle on the figure below. Figure 7.7 . -What molecule corresponds to the item labeled as "56" in the accompanying figure?​

Correct AnswerverifiedShow Answer

Use the five compounds listed below for the following question.​ -This compound is the end product of glycolysis.

Correct AnswerverifiedShow Answer

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Correct Answer
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Use these molecules to label the major inputs and/or outputs of the Krebs cycle on the figure below. Figure 7.7 . -What molecule corresponds to the item labeled as "60" in the accompanying figure?

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
verified

Use these molecules to label the major inputs and/or outputs of the Krebs cycle on the figure below. Figure 7.7 . -What molecule corresponds to the item labeled as "59" in the accompanying figure?

Correct Answer
verified

Select the one most appropriate choice for each. -electron transfer phosphorylation

Correct Answer
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Correct Answer
verified

Correct Answer
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Correct Answer
verified
The mitochondrion will make fe...
View Answer

Use these molecules to label the major inputs and/or outputs of the Krebs cycle on the figure below. Figure 7.7 . -What molecule corresponds to the item labeled as "61" in the accompanying figure?

Correct Answer
verified

Correct Answer
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Correct Answer
verified

Use these molecules to label the major inputs and/or outputs of the Krebs cycle on the figure below. Figure 7.7 . -What molecule corresponds to the item labeled as "56" in the accompanying figure?

Correct Answer
verified

Use the five compounds listed below for the following question. -This compound is the end product of glycolysis.

Correct Answer
verified