Question 1

Fermentation occurs if

Accepted Answer

A)   glucose is not present.
B)   excess ATP is present.
C)   oxygen is not present.
D)   carbon dioxide is present.
E)   carbon dioxide is not present.F) C) and D)
G) None of the above C

Question 2

Cellular respiration can be described as the conversion of the energy

Accepted Answer

A)   stored in food to energy stored in ATP.
B)   stored in ATP to energy used to do work.
C)   of sunlight to energy stored in inorganic compounds.
D)   stored in ATP to energy stored in food.
E)   stored in leaves to energy in food.F) A) and B)
G) A) and C)

Question 3

How many ATP are produced from the 10 NADH that are formed during the citric acid cycle?

Accepted Answer

A)   30
B)   38
C)   4
D)   2
E)   36F) B) and E)
G) C) and E)

Question 4

Which of the following is not a product of cellular respiration?

Accepted Answer

A)   oxygen
B)   water
C)   carbon dioxide
D)   ATP
E)   ADPF) A) and B)
G) D) and E)

Question 5

The energy source that drives the production of ATP in oxidative phosphorylation is the

Accepted Answer

A)   removal of electrons and hydrogen from glucose.
B)   removal of a phosphate group from a substrate that is then added to ADP.
C)   capture of solar energy that donates electrons.
D)   breakdown of glucose to pyruvate.
E)   addition of electrons and hydrogen from glucose.F) B) and C)
G) B) and E)

Question 6

In Figure 7.1, part Y represents which part of a mitochondrion?

Accepted Answer

A)   outer mitochondrial membrane
B)   cristae
C)   mitochondrial matrix
D)   intermembrane space
E)   thylakoidsF) B) and D)
G) C) and E) B

Question 7

When you exhale, what two stages of cellular respiration produce the carbon dioxide you are breathing out?

Accepted Answer

A)   preparatory reaction and citric acid cycle
B)   preparatory reaction and electron transport chain
C)   citric acid cycle and electron transport chain
D)   glycolysis and preparatory reaction
E)   glycolysis and citric acid cycleF) A) and D)
G) B) and D)

Question 8

Two ATP are invested in glycolysis to

Accepted Answer

A)   produce acetyl-CoA.
B)   break glucose into two molecules.
C)   add a phosphate group to glucose.
D)   join glucose molecules together.
E)   release carbon dioxide.F) A) and E)
G) B) and E)

Question 9

How many total ATP are produced during glycolysis?

Accepted Answer

A)   4
B)   2
C)   38
D)   36
E)   14F) C) and E)
G) C) and D)

Question 10

What will occur if oxygen is not available in great enough quantity during cellular respiration?

Accepted Answer

A)   Cellular respiration will shift towards anaerobic respiration.
B)   The number of ATP produced will increase.
C)   Oxygen will start to diffuse at a greater rate in order to make up for the deficiency.
D)   Nothing will change since oxygen is not required for cellular respiration.
E)   CO2 will not be able to fix itself to the Calvin cycle.F) None of the above
G) B) and C)

Question 11

Which of the following is the correct sequence of events in cellular respiration?

Accepted Answer

A)   glycolysis→preparatory reaction→citric acid cycle→electron transport chain
B)   citric acid cycle →electron transport→glycolysis→preparatory reaction
C)   glycolysis→ citric acid cycle→electron transport chain
D)   citric acid cycle →glycolysis→electron transport chain→preparatory reaction
E)   glycolysis→electron transport chain→preparatory reactionF) D) and E)
G) A) and B)

Question 12

A family took their newborn to the doctor. They were worried something was wrong because the baby seemed to be in constant pain. He had large amounts of lactic acid accumulating in his muscle cells. Doctors figured out that the child had a rare disease in which mitochondria are missing from skeletal muscle cells. Which of the following statements explains what they found?

Accepted Answer

A)   The cells had been going through fermentation to produce energy.
B)   The muscles required small amounts of sugar to function.
C)   The muscles require extremely high levels of oxygen to function.
D)   The muscle cells cannot split glucose into pyruvic acid.
E)   The cells had died as a result of no mitochondria.F) B) and E)
G) A) and D)

Question 13

In animals, lactate forms from fermentation. Lactate

Accepted Answer

A)   can be used to produce additional ATP.
B)   is toxic and causes muscle to fatigue.
C)   is stored in the muscle for future energy use.
D)   converts into carbon dioxide and is released in the blood stream.
E)   is transported to the liver where it is reconverted to pyruvate.During fermentation in animal cells, lactate is produced in the muscles. Blood transports lactate to the liver where it is reconverted into pyruvate.F) C) and D)
G) B) and E)

Question 14

Glucose is a 6-carbon molecule. How is it changed as it moves through glycolysis?

Accepted Answer

A)   Electrons and hydrogen are removed, and the molecule rearranged to form two 3-carbon molecules.
B)   ATP is added, and the molecule rearranged to form three 2-carbon molecules.
C)   Electrons and hydrogen are removed, and the molecule rearranged to form three 2-carbon molecules.
D)   Electrons and hydrogen are removed, and the molecule rearranged to form three ATP molecules.
E)   ATP is added, and the molecule rearranged to form two 3-carbon molecules.F) B) and D)
G) C) and E)

Question 15

The final electron acceptor at the end of the electron transport chain is ________, resulting in formation of ________.

Accepted Answer

A)   phosphate; ATP
B)   CoA; acetyl-CoA
C)   oxygen; water
D)   hydrogen; carbon dioxide
E)   pyruvate; oxygenF) None of the above
G) A) and B)

Question 16

Yeast is used to make bread rise by producing ________ during fermentation.

Accepted Answer

A)   oxygen
B)   heat
C)   oxygen gas
D)   glucose
E)   CO2 gasF) B) and C)
G) C) and D)

Question 17

You have decided to try to make your own wine by adding yeast to a sweet grape juice. After allowing plenty of time for the yeast to grow, you find that although the sugar levels in the juice are decreased, there is no alcohol in the mixture. What could have been the reason fermentation did not occur?

Accepted Answer

A)   More sugar needs to be added. Yeast needs a lot of energy before it produces alcohol.
B)   Less sugar is needed in the juice. High sugar concentration causes cellular respiration to occur instead of fermentation.
C)   Yeast cannot ferment grapes, only bacteria can.
D)   The mixture needs less oxygen. Yeast only produces alcohol in the absence of oxygen.
E)   The mixture needs more carbon dioxide.F) A) and B)
G) B) and D)

Question 18

The products of fermentation depend on the type of organism carrying out the process. Yeasts are used to produce

Accepted Answer

A)   wine, beer, and bread with lactic acid fermentation.
B)   only wine and beer with lactic acid fermentation.
C)   wine, beer, and bread with alcohol fermentation.
D)   wine and beer with alcohol fermentation and bread with lactic acid fermentation.
E)   wine with alcohol fermentation and beer and bread with lactic acid fermentation.F) A) and E)
G) A) and B) C

Question 19

Your friend has been on a diet and loses 15 pounds of fat. After studying cellular respiration, how can you explain where the weight went how it was lost) ?

Accepted Answer

A)   It was released as carbon dioxide and water.
B)   It was converted to ATP, which weighs much less than fat.
C)   It was broken down into amino acids and eliminated from the body.
D)   It was converted to urine and eliminated from the body.
E)   It was released as oxygen and water.F) A) and C)
G) A) and D)

Question 20

Susan suffered from a heart attack. When the doctors tested the heart muscle, they found that she had an increased ratio of lactic acid to pyruvic acid in her heart. What does this say about the availability of oxygen in her heart muscle cells?

Accepted Answer

A)   The heart cells must have received too much oxygen.
B)   The heart cells had not received adequate oxygen supply.
C)   The heart cells had a buildup of carbon dioxide, poisoning her cells.
D)   The lactic acid built up as a result of cellular respiration occurring at too fast of a rate.
E)   The heart cells had too much carbon dioxide accumulate.F) All of the above
G) C) and D)

Exam 7: Energy for Cells

Fermentation occurs if

Correct Answer
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C

Cellular respiration can be described as the conversion of the energy

Correct Answer
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How many ATP are produced from the 10 NADH that are formed during the citric acid cycle?

Correct Answer
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Which of the following is not a product of cellular respiration?

Correct Answer
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The energy source that drives the production of ATP in oxidative phosphorylation is the

Correct Answer
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In Figure 7.1, part Y represents which part of a mitochondrion?

Correct Answer
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B

When you exhale, what two stages of cellular respiration produce the carbon dioxide you are breathing out?

Correct Answer
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Two ATP are invested in glycolysis to

Correct Answer
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How many total ATP are produced during glycolysis?

Correct Answer
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What will occur if oxygen is not available in great enough quantity during cellular respiration?

Correct Answer
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Which of the following is the correct sequence of events in cellular respiration?

Correct Answer
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In animals, lactate forms from fermentation. Lactate

Correct Answer
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Glucose is a 6-carbon molecule. How is it changed as it moves through glycolysis?

Correct Answer
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The final electron acceptor at the end of the electron transport chain is , resulting in formation of .

Correct Answer
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Yeast is used to make bread rise by producing ________ during fermentation.

Correct Answer
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The products of fermentation depend on the type of organism carrying out the process. Yeasts are used to produce

Correct Answer
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C

Your friend has been on a diet and loses 15 pounds of fat. After studying cellular respiration, how can you explain where the weight went how it was lost) ?

Correct Answer
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Susan suffered from a heart attack. When the doctors tested the heart muscle, they found that she had an increased ratio of lactic acid to pyruvic acid in her heart. What does this say about the availability of oxygen in her heart muscle cells?

Correct Answer
verified

Exam 7: Energy for Cells

Fermentation occurs if

Correct AnswerverifiedC

Cellular respiration can be described as the conversion of the energy

Correct AnswerverifiedShow Answer

How many ATP are produced from the 10 NADH that are formed during the citric acid cycle?

Correct AnswerverifiedShow Answer

Which of the following is not a product of cellular respiration?

Correct AnswerverifiedShow Answer

The energy source that drives the production of ATP in oxidative phosphorylation is the

Correct AnswerverifiedShow Answer

In Figure 7.1, part Y represents which part of a mitochondrion?

Correct AnswerverifiedB

When you exhale, what two stages of cellular respiration produce the carbon dioxide you are breathing out?

Correct AnswerverifiedShow Answer

Two ATP are invested in glycolysis to

Correct AnswerverifiedShow Answer

How many total ATP are produced during glycolysis?

Correct AnswerverifiedShow Answer

What will occur if oxygen is not available in great enough quantity during cellular respiration?

Correct AnswerverifiedShow Answer

Which of the following is the correct sequence of events in cellular respiration?

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

In animals, lactate forms from fermentation. Lactate

Correct AnswerverifiedShow Answer

Glucose is a 6-carbon molecule. How is it changed as it moves through glycolysis?

Correct AnswerverifiedShow Answer

The final electron acceptor at the end of the electron transport chain is ________, resulting in formation of ________.

Correct AnswerverifiedShow Answer

Yeast is used to make bread rise by producing ________ during fermentation.

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

The products of fermentation depend on the type of organism carrying out the process. Yeasts are used to produce

Correct AnswerverifiedC

Your friend has been on a diet and loses 15 pounds of fat. After studying cellular respiration, how can you explain where the weight went how it was lost) ?

Correct AnswerverifiedShow Answer

Susan suffered from a heart attack. When the doctors tested the heart muscle, they found that she had an increased ratio of lactic acid to pyruvic acid in her heart. What does this say about the availability of oxygen in her heart muscle cells?

Correct AnswerverifiedShow Answer

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C

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B

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The final electron acceptor at the end of the electron transport chain is , resulting in formation of .

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C

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