Question 1

Two ATP are invested in glycolysis in order 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 dioxideF) C) and D)
G) D) and E)

Question 2

The production of ATP in glycolysis and the citric acid cycle is accomplished by __________.

Accepted Answer

A)   the reduction of carbon dioxide
B)   substrate-level ATP synthesis
C)   oxidative phosphorylation
D)   lactic acid synthesis
E)   the oxidation of O 2F) A) and E)
G) A) and D)

Question 3

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) A) and B)
G) B) and D)

Question 4

Before entering the citric acid cycle, pyruvate is converted to __________.

Accepted Answer

A)   lactic acid
B)   ethyl alcohol
C)   acetyl-CoA
D)   citric acid
E)   pyruvateF) A) and C)
G) D) and E)

Question 5

The products of fermentation depend on the type of organism carrying out the process. What do yeast produce during fermentation?

Accepted Answer

A)   Lactic acid
B)   Lactic acid and ethyl alcohol
C)   Ethyl alcohol and CO 2
D)   Lactic acid and CO 2
E)   Ethyl alcohol and oxygenF) B) and E)
G) B) and D)

Question 6

The number of ATP produced during aerobic cellular respiration from one glucose molecule is usually __________.

Accepted Answer

A)   2-4
B)   26-28
C)   10-20
D)   36-38
E)   10-12F) A) and E)
G) C) and D)

Question 7

A product of glycolysis is __________.

Accepted Answer

A)   FADH 2
B)   carbon dioxide
C)   pyruvate
D)   oxygen
E)   acetyl-CoAF) B) and E)
G) A) and B) C

Question 8

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

Accepted Answer

A)   the diffusion of hydrogen protons down their electrochemical gradient
B)   removal of a phosphate group from ATP
C)   capture of solar energy
D)   the production of lactic acid
E)   the diffusion of CO 2 across the cell membraneF) C) and E)
G) B) and C)

Question 9

Glycolysis and the citric acid cycle are similar in that they both produce __________.

Accepted Answer

A)   CO 2
B)   NADH
C)   ATP
D)   NADH and ATP
E)   ADPF) B) and C)
G) A) and B)

Question 10

In cellular respiration, the majority of ATP are produced during __________.

Accepted Answer

A)   fermentation
B)   the electron transport chain
C)   the citric acid cycle
D)   the preparatory stage
E)   the Calvin cycleF) A) and B)
G) C) and E)

Question 11

The final acceptor for electrons in aerobic cellular respiration is __________.

Accepted Answer

A)   oxygen
B)   pyruvate
C)   CoA
D)   glucose
E)   carbon dioxideF) A) and B)
G) C) and D)

Question 12

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 foodF) All of the above
G) B) and C)

Question 13

Which of the following is the opposite of cellular respiration?

Accepted Answer

A)   Fermentation
B)   Cell division
C)   Hydrolysis
D)   Photosynthesis
E)   Dehydration synthesisF) A) and C)
G) C) and D)

Question 14

Susan suffered from a heart attack. When the doctors tested her heart muscle, they found that she had an increased ratio of lactic acid to pyruvate in her heart. Which of the following is the most likely cause of the skewed ratio?

Accepted Answer

A)   The heart cells must have received too much oxygen
B)   The heart cells had not received enough oxygen
C)   The heart cells accumulated to much carbon dioxide which poisoned her cells
D)   The lactic acid accumulated as a result of cellular respiration occurring too quickly
E)   The heart cells produced too much ATPF) A) and E)
G) C) and D) B

Question 15

Where do the electrons come from that are used in the electron transport chain?

Accepted Answer

A)   ATP
B)   NADH
C)   FADH 2
D)   ADP
E)   NADH and FADH 2F) A) and B)
G) A) and C)

Question 16

If you were able to stop the process of cellular respiration after the completion of the electron transport chain but prior to chemiosmosis, what would you find is true about the pH in the mitochondria?

Accepted Answer

A)   It is lowest in the intermembrane space.
B)   It is highest in the intermembrane space.
C)   It is lowest in the mitochondrial matrix.
D)   There is no difference in pH.
E)   It is highest in the mitochondrial matrix.F) A) and B)
G) A) and C)

Question 17

If three molecules of glucose went through glycolysis and eventually into the citric acid cycle, how many times did the preparatory reaction occur?

Accepted Answer

A)   One
B)   Two
C)   Four
D)   Six
E)   TwelveF) D) and E)
G) A) and E)

Question 18

How many ATP are produced from the 10 NADH that enter the electron transport chain?

Accepted Answer

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

Question 19

Which of the following is necessary for the complete breakdown of glucose?

Accepted Answer

A)   Oxygen
B)   Water
C)   Carbon dioxide
D)   ATP
E)   ADPF) B) and E)
G) None of the above

Question 20

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 presentF) B) and E)
G) None of the above C

Exam 7: Energy for Cells

Two ATP are invested in glycolysis in order to __________.

Correct AnswerverifiedShow Answer

The production of ATP in glycolysis and the citric acid cycle is accomplished by __________.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Before entering the citric acid cycle, pyruvate is converted to __________.

Correct AnswerverifiedShow Answer

The products of fermentation depend on the type of organism carrying out the process. What do yeast produce during fermentation?

Correct AnswerverifiedShow Answer

The number of ATP produced during aerobic cellular respiration from one glucose molecule is usually __________.

Correct AnswerverifiedShow Answer

A product of glycolysis is __________.

Correct AnswerverifiedC

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

Correct AnswerverifiedShow Answer

Glycolysis and the citric acid cycle are similar in that they both produce __________.

Correct AnswerverifiedShow Answer

In cellular respiration, the majority of ATP are produced during __________.

Correct AnswerverifiedShow Answer

The final acceptor for electrons in aerobic cellular respiration is __________.

Correct AnswerverifiedShow Answer

Cellular respiration can be described as the conversion of the energy __________.

Correct AnswerverifiedShow Answer

Which of the following is the opposite of cellular respiration?

Correct AnswerverifiedShow Answer

Susan suffered from a heart attack. When the doctors tested her heart muscle, they found that she had an increased ratio of lactic acid to pyruvate in her heart. Which of the following is the most likely cause of the skewed ratio?

Correct AnswerverifiedB

Where do the electrons come from that are used in the electron transport chain?

Correct AnswerverifiedShow Answer

If you were able to stop the process of cellular respiration after the completion of the electron transport chain but prior to chemiosmosis, what would you find is true about the pH in the mitochondria?

Correct AnswerverifiedShow Answer

If three molecules of glucose went through glycolysis and eventually into the citric acid cycle, how many times did the preparatory reaction occur?

Correct AnswerverifiedShow Answer

How many ATP are produced from the 10 NADH that enter the electron transport chain?

Correct AnswerverifiedShow Answer

Which of the following is necessary for the complete breakdown of glucose?

Correct AnswerverifiedShow Answer

Fermentation occurs if __________.

Correct AnswerverifiedC

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
C

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
B

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
C