Question 1

What molecule would be of least interest in a study of fermentation?

Accepted Answer

A)  carbon dioxide
B)  lactate
C)  ATP
D)  oxygen
E)  alcoholF) A) and B)
G) A) and E)

Question 2

If you follow a low-fat,high-carbohydrate diet,it is likely you will

Accepted Answer

A)  experience no change in body weight because your body will not receive enough lipids to synthesize fat.
B)  lose weight because you must consume lipids in order to synthesize fat.
C)  gain weight because intermediates from cellular respiration can be converted to fat.
D)  gain weight because you will retain water.
E)  lose weight because you will become dehydrated.F) A) and C)
G) None of the above

Question 3

Which of the following are the end products for cellular respiration?

Accepted Answer

A)  glucose and carbon dioxide
B)  glucose and water
C)  glucose and oxygen
D)  oxygen and carbon dioxide
E)  carbon dioxide and waterF) B) and C)
G) A) and B) E

Question 4

Which of the following phases takes place entirely outside the mitochondria and is considered to be anaerobic?

Accepted Answer

A)  electron transport chain
B)  preparatory reaction
C)  glycolysis
D)  Krebs cycle
E)  chemiosmosisF) A) and B)
G) C) and E)

Question 5

The order of the major pathways and reactions of cellular respiration is

Accepted Answer

A)  glycolysis-preparatory reaction-Krebs cycle electron transport chain.
B)  electron transport chain-glycolysis-preparatory reaction-Krebs cycle.
C)  glycolysis-electron transport chain-preparatory reaction-Krebs cycle.
D)  Krebs cycle-glycolysis-preparatory reaction-electron transport chain.
E)  glycolysis-preparatory reaction-Krebs cycle-electron transport chain.F) All of the above
G) D) and E)

Question 6

Pyruvate is converted to a two-carbon acetyl group attached to coenzyme A (CoA) ,and carbon dioxide is given off during which phase of cellular respiration?

Accepted Answer

A)  chemiosmosis
B)  preparatory reaction
C)  electron transport chain
D)  anaerobic respiration
E)  glycolysisF) B) and C)
G) B) and E)

Question 7

What is the significance of the cristae in the mitochondria?

Accepted Answer

A)  increase surface area,therefore increasing glycolysis
B)  increase surface area,therefore increasing the Krebs cycle
C)  increase surface area,therefore increasing the preparatory reaction
D)  increase surface area,therefore increasing fermentation
E)  increase surface area,therefore increasing the electron transport chainF) A) and E)
G) A) and D)

Question 8

As a result of glycolysis,one molecule of glucose is broken into two molecules of

Accepted Answer

A)  pyruvate.
B)  NADH.
C)  acetyl CoA.
D)  FADH2.
E)  ATP.F) B) and E)
G) C) and E)

Question 9

When an enzyme is used to convert ADP into ATP it is referred to as

Accepted Answer

A)  enzyme ATP synthesis.
B)  active site ATP synthesis.
C)  substrate-level ATP synthesis.
D)  enzyme ADP synthesis.
E)  substrate-level ADP synthesis.F) A) and B)
G) A) and C)

Question 10

In the electron transport chain,electrons are passed from one carrier to another,providing energy to accomplish which of the following?

Accepted Answer

A)  convert NAD+ to NADH
B)  convert FAD to FADH2
C)  convert ADP to ATP
D)  pump hydrogen ions into the matrix
E)  pump hydrogen ions out of the matrixF) A) and B)
G) A) and C)

Question 11

During the process of cellular respiration,what is the total number of ATP produced per glucose molecule?

Accepted Answer

A)  36 or 38
B)  32 or 34
C)  28 or 30
D)  24 or 26
E)  20 or 24F) A) and B)
G) A) and C)

Question 12

If the carbon skeleton of an amino acid loses an amino group the carbon skeleton has undergone

Accepted Answer

A)  anabolism.
B)  glycolysis.
C)  fermentation.
D)  substrate breakdown.
E)  deamination.F) B) and D)
G) A) and E)

Question 13

Which of the following would be involved in a study of carriers in the electron transport chain?

Accepted Answer

A)  pyruvate molecules
B)  acetyl groups
C)  cytochrome molecules
D)  NADH molecules
E)  FADH2 moleculesF) B) and D)
G) None of the above

Question 14

What would be the result if oxygen became unavailable to the cell?

Accepted Answer

A)  Glycolysis would stop.
B)  The Krebs cycle would stop.
C)  The electron transport chain would stop.
D)  The preparatory reaction would stop.
E)  Substrate-level ATP synthesis would stop.F) B) and D)
G) All of the above C

Question 15

The conversion of pyruvate into a 2-carbon acetyl group is carried out during which of the following phases?

Accepted Answer

A)  electron transport chain
B)  preparatory reaction
C)  glycolysis
D)  Krebs cycle
E)  chemiosmosisF) A) and D)
G) C) and D)

Question 16

When someone is out of breath after vigorous exercise,they are experiencing

Accepted Answer

A)  carbon dioxide debt.
B)  ATP debt.
C)  pyruvate debt.
D)  lactate debt.
E)  oxygen debt.F) A) and B)
G) A) and C)

Question 17

Of the following statements,which is true in common for proteins,carbohydrates,and lipids as they are catabolized?

Accepted Answer

A)  They all undergo the electron transport chain.
B)  They all undergo glycolysis.
C)  They all undergo the preparatory reaction.
D)  They all need carbon dioxide to be broken down.
E)  They all produce the same amount of energy.F) C) and D)
G) B) and C) A

Question 18

In which of the following events of cellular respiration is no ATP produced?

Accepted Answer

A)  electron transport chain
B)  glycolysis
C)  Krebs cycle
D)  preparatory reaction
E)  chemiosmosisF) A) and B)
G) B) and D)

Question 19

What material(s) are put into the Krebs Cycle?

Accepted Answer

A)  acetyl groups
B)  carbon dioxide
C)  NADH
D)  FADH2
E)  ATPF) A) and D)
G) A) and E)

Question 20

Which of these is an inaccurate description of the preparatory reaction?

Accepted Answer

A)  It connects glycolysis to the Krebs cycle.
B)  Carbon dioxide is given off.
C)  Pyruvate is converted to a two-carbon acetyl group.
D)  NAD+ is converted to NADH.
E)  The reaction occurs once per glucose moleculE.F) A) and B)
G) A) and C)

Exam 7: Pathways of Cellular Respiration

What molecule would be of least interest in a study of fermentation?

Correct AnswerverifiedShow Answer

If you follow a low-fat,high-carbohydrate diet,it is likely you will

Correct AnswerverifiedShow Answer

Which of the following are the end products for cellular respiration?

Correct AnswerverifiedE

Which of the following phases takes place entirely outside the mitochondria and is considered to be anaerobic?

Correct AnswerverifiedShow Answer

The order of the major pathways and reactions of cellular respiration is

Correct AnswerverifiedShow Answer

Pyruvate is converted to a two-carbon acetyl group attached to coenzyme A (CoA) ,and carbon dioxide is given off during which phase of cellular respiration?

Correct AnswerverifiedShow Answer

What is the significance of the cristae in the mitochondria?

Correct AnswerverifiedShow Answer

As a result of glycolysis,one molecule of glucose is broken into two molecules of

Correct AnswerverifiedShow Answer

When an enzyme is used to convert ADP into ATP it is referred to as

Correct AnswerverifiedShow Answer

In the electron transport chain,electrons are passed from one carrier to another,providing energy to accomplish which of the following?

Correct AnswerverifiedShow Answer

During the process of cellular respiration,what is the total number of ATP produced per glucose molecule?

Correct AnswerverifiedShow Answer

If the carbon skeleton of an amino acid loses an amino group the carbon skeleton has undergone

Correct AnswerverifiedShow Answer

Which of the following would be involved in a study of carriers in the electron transport chain?

Correct AnswerverifiedShow Answer

What would be the result if oxygen became unavailable to the cell?

Correct AnswerverifiedC

The conversion of pyruvate into a 2-carbon acetyl group is carried out during which of the following phases?

Correct AnswerverifiedShow Answer

When someone is out of breath after vigorous exercise,they are experiencing

Correct AnswerverifiedShow Answer

Of the following statements,which is true in common for proteins,carbohydrates,and lipids as they are catabolized?

Correct AnswerverifiedA

In which of the following events of cellular respiration is no ATP produced?

Correct AnswerverifiedShow Answer

What material(s) are put into the Krebs Cycle?

Correct AnswerverifiedShow Answer

Which of these is an inaccurate description of the preparatory reaction?

Correct AnswerverifiedShow Answer

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C

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A

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