Question 1

The Kreb's cycle occurs in the:

Accepted Answer

A)  Lysosome
B)  Nucleus
C)  Cytoplasm
D)  Mitochondria
E)  RibosomeF) A) and E)
G) A) and D)

Question 2

The reactions in glycolysis are reversible,however,the conversion of pyruvate into acetyl CoA is irreversible in animal cells.Can fatty acids be converted back into carbohydrates?

Accepted Answer

A)  No, because they enter metabolism as pyruvate
B)  Yes, because they enter metabolism as acetyl CoA
C)  No, because they enter metabolism as acetyl CoA
D)  Yes, because they enter metabolism as pyruvate
E)  Yes, because they enter metabolism in the Krebs cycleF) A) and B)
G) B) and E)

Question 3

The largest molecule in the Krebs cycle contains ____ carbon atoms.

Accepted Answer

A)  1
B)  3
C)  5
D)  4
E)  6F) A) and D)
G) None of the above

Question 4

During glycolysis molecules of glucose are:

Accepted Answer

A)  Broken down into three molecules of pyruvate
B)  Put together to form two molecules of pyruvate
C)  Put together to form three molecules of pyruvate
D)  Broken down to form two molecules of pyruvate
E)  Broken down and the carbon atoms liberated as CO2F) A) and B)
G) A) and E)

Exam 6: How Cells Release Energy

The reactions in glycolysis are reversible,however,the conversion of pyruvate into acetyl CoA is irreversible in animal cells.Can fatty acids be converted back into carbohydrates?

Correct Answer
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During glycolysis molecules of glucose are:

Correct Answer
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The largest molecule in the Krebs cycle contains ____ carbon atoms.

Correct Answer
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The Kreb's cycle occurs in the:

Correct Answer
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Exam 6: How Cells Release Energy

The reactions in glycolysis are reversible,however,the conversion of pyruvate into acetyl CoA is irreversible in animal cells.Can fatty acids be converted back into carbohydrates?

Correct AnswerverifiedShow Answer

During glycolysis molecules of glucose are:

Correct AnswerverifiedShow Answer

The largest molecule in the Krebs cycle contains ____ carbon atoms.

Correct AnswerverifiedShow Answer

The Kreb's cycle occurs in the:

Correct AnswerverifiedShow Answer

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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