Question 1

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

Question 2

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. 
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. A

Question 3

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. 
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. C

Question 4

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 molecules 
A) pyruvate molecules 
B) acetyl groups 
C) cytochrome molecules 
D) NADH molecules 
E) FADH2 molecules

Question 5

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. 
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.

Question 6

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

Accepted Answer

A) acetyl groups 
B) carbon dioxide 
C) NADH 
D) FADH2 
E) ATP 
A) acetyl groups 
B) carbon dioxide 
C) NADH 
D) FADH2 
E) ATP

Question 7

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. 
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.

Question 8

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) glycolysis 
A) chemiosmosis 
B) preparatory reaction 
C) electron transport chain 
D) anaerobic respiration 
E) glycolysis

Question 9

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 chain 
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 chain

Question 10

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

Accepted Answer

A) carbon dioxide 
B) lactate 
C) ATP 
D) oxygen 
E) alcohol 
A) carbon dioxide 
B) lactate 
C) ATP 
D) oxygen 
E) alcohol

Question 11

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) chemiosmosis 
A) electron transport chain 
B) preparatory reaction 
C) glycolysis 
D) Krebs cycle 
E) chemiosmosis

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

Question 13

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 matrix 
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 matrix

Question 14

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

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) chemiosmosis 
A) electron transport chain 
B) preparatory reaction 
C) glycolysis 
D) Krebs cycle 
E) chemiosmosis

Question 16

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) chemiosmosis 
A) electron transport chain 
B) glycolysis 
C) Krebs cycle 
D) preparatory reaction 
E) chemiosmosis

Question 17

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

Question 18

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

Question 19

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

Question 20

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. 
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.

Exam 7: Pathways of Cellular Respiration

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

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

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

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

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

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

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

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?

What is the significance of the cristae in the mitochondria?

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

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

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

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

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

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

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

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

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

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

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

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