Question 1

The following represents overall net equation for the citric acid cycle. 
 acetyl CoA + 3NAD+ + FAD + GDP + Pi + 2H2O 
                                          ⎠ 2CO2 + CoA-S-H + 3NADH + 2H+ + FADH2 + GTP

Accepted Answer

A) True 
 B)False

Question 2

The processes of producing both lactate and ethanol are anaerobic processes.

Accepted Answer

A) True 
 B)False

Question 3

Which of the following is an allosteric enzyme which serves as a control point in the citric acid cycle?

Accepted Answer

A)  malate dehydrogenase
B)  fumarase
C)  citrate synthetase
D)  succinate dehydrogenaseE) A) and B)
F) A) and C)

Question 4

Control points of the citric acid cycle are shown by the numbers in the following diagram.  Which of the following correctly describes control of the cycle>    A) Point 1 is inhibited by NADH and activated by ADP. B) Point 2 is inhibited by NADH and activated by ATP. C) Point 3 is inhibited by both NADH and ADP. D) All of these." class="answers-bank-image d-inline" rel="preload" >

Accepted Answer

A)  Point 1 is inhibited by NADH and activated by ADP.
B)  Point 2 is inhibited by NADH and activated by ATP.
C)  Point 3 is inhibited by both NADH and ADP.
D)  All of these.E) None of the above
F) A) and B)

Question 5

The citric acid cycle (CAC)is also called the tricarboxylic acid (TCA)cycle and the Krebs cycle.

Accepted Answer

A) True 
 B)False

Question 6

In the diagram of the citric acid cycle shown, what do the two points indicated by an asterisk have in common? 2 is produced. B) NAD+ is reduced. C) ATP is produced. D) All will occur." class="answers-bank-image d-inline" rel="preload" >

Accepted Answer

A)  CO2 is produced.
B)  NAD+ is reduced.
C)  ATP is produced.
D)  All will occur.E) None of the above
F) B) and C)

Question 7

Glycolysis

Accepted Answer

A)  costs two ATP molecules at the beginning of the process.
B)  produces four ATP molecules.
C)  has a resultant molecule that enters the next step of the process, the citric acid cycle.
D)  More than one response is correct.E) B) and C)
F) A) and D)

Question 8

The majority of ATP produced during the catabolism of glucose is formed during _____ .

Accepted Answer

A)  oxidative phosphorylation
B)  glycolysis
C)  the citric acid cycle
D)  the formation of acetyl CoAE) All of the above
F) C) and D)

Question 9

How can a person avoid an "energy crash" one to three hours after a meal?

Accepted Answer

A)  Consume foods with elevated levels of caffeine.
B)  Increase the time between eating meals.
C)  Eat meals with a high overall glycemic index.
D)  Eat meals with a low overall glycemic index.E) A) and C)
F) B) and C)

Question 10

Insulin causes

Accepted Answer

A)  liver to release glycogen.
B)  glucose to enters cells.
C)  glucose conversion to fat.
D)  HDL production.E) A) and B)
F) A) and C)

Question 11

Glycogen breakdown is increased in muscle tissue by the presence of epinephrine.

Accepted Answer

A) True 
 B)False

Question 12

In the body, the fermentation process is limited to production of lactate from pyruvate in the muscles.  However, there are other types of fermentation.

Accepted Answer

A) True 
 B)False

Question 13

Glycolysis occurs within the _____ .

Accepted Answer

A)  mitochondria
B)  nucleus
C)  vacuoles
D)  cytoplasmE) B) and C)
F) A) and B)

Question 14

Insulin decreases the rate of synthesis of glycogen and fatty acids.

Accepted Answer

A) True 
 B)False

Question 15

The electron transport chain exists for the purpose of removing excess electrons from the cell.

Accepted Answer

A) True 
 B)False

Exam 23: Carbohydrate Metabolism

Glycogen breakdown is increased in muscle tissue by the presence of epinephrine.

Correct Answer
verified

How can a person avoid an "energy crash" one to three hours after a meal?

Correct Answer
verified

Insulin causes

Correct Answer
verified

In the body, the fermentation process is limited to production of lactate from pyruvate in the muscles. However, there are other types of fermentation.

Correct Answer
verified

Control points of the citric acid cycle are shown by the numbers in the following diagram. Which of the following correctly describes control of the cycle>

Correct Answer
verified

The majority of ATP produced during the catabolism of glucose is formed during _____ .

Correct Answer
verified

The following represents overall net equation for the citric acid cycle. acetyl CoA + 3NAD⁺ + FAD + GDP + P_i + 2H₂O ⎠ 2CO₂ + CoA-S-H + 3NADH + 2H⁺ + FADH₂ + GTP

Correct Answer
verified

Which of the following is an allosteric enzyme which serves as a control point in the citric acid cycle?

Correct Answer
verified

Glycolysis occurs within the _____ .

Correct Answer
verified

Insulin decreases the rate of synthesis of glycogen and fatty acids.

Correct Answer
verified

Glycolysis

Correct Answer
verified

The citric acid cycle (CAC)is also called the tricarboxylic acid (TCA)cycle and the Krebs cycle.

Correct Answer
verified

The processes of producing both lactate and ethanol are anaerobic processes.

Correct Answer
verified

The electron transport chain exists for the purpose of removing excess electrons from the cell.

Correct Answer
verified

In the diagram of the citric acid cycle shown, what do the two points indicated by an asterisk have in common?

Correct Answer
verified

Exam 23: Carbohydrate Metabolism

Glycogen breakdown is increased in muscle tissue by the presence of epinephrine.

Correct AnswerverifiedShow Answer

How can a person avoid an "energy crash" one to three hours after a meal?

Correct AnswerverifiedShow Answer

Insulin causes

Correct AnswerverifiedShow Answer

In the body, the fermentation process is limited to production of lactate from pyruvate in the muscles. However, there are other types of fermentation.

Correct AnswerverifiedShow Answer

Control points of the citric acid cycle are shown by the numbers in the following diagram. Which of the following correctly describes control of the cycle>

Correct AnswerverifiedShow Answer

The majority of ATP produced during the catabolism of glucose is formed during _____ .

Correct AnswerverifiedShow Answer

The following represents overall net equation for the citric acid cycle. acetyl CoA + 3NAD+ + FAD + GDP + Pi + 2H2O ⎠ 2CO2 + CoA-S-H + 3NADH + 2H+ + FADH2 + GTP

Correct AnswerverifiedShow Answer

Which of the following is an allosteric enzyme which serves as a control point in the citric acid cycle?

Correct AnswerverifiedShow Answer

Glycolysis occurs within the _____ .

Correct AnswerverifiedShow Answer

Insulin decreases the rate of synthesis of glycogen and fatty acids.

Correct AnswerverifiedShow Answer

Glycolysis

Correct AnswerverifiedShow Answer

The citric acid cycle (CAC)is also called the tricarboxylic acid (TCA)cycle and the Krebs cycle.

Correct AnswerverifiedShow Answer

The processes of producing both lactate and ethanol are anaerobic processes.

Correct AnswerverifiedShow Answer

The electron transport chain exists for the purpose of removing excess electrons from the cell.

Correct AnswerverifiedShow Answer

In the diagram of the citric acid cycle shown, what do the two points indicated by an asterisk have in common?

Correct AnswerverifiedShow Answer

Correct Answer
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The following represents overall net equation for the citric acid cycle. acetyl CoA + 3NAD⁺ + FAD + GDP + P_i + 2H₂O ⎠ 2CO₂ + CoA-S-H + 3NADH + 2H⁺ + FADH₂ + GTP

Correct Answer
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