Chapter 21. Problem 21.3

Problem-Solving Video Assessment
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Problem 21.3: Energy Harvest

1.

How many ATP molecules are produced when a molecule of fructose is completely oxidized to CO2 in muscle tissue?

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2.

How many ATP molecules are produced when a molecule of fructose is completely oxidized to CO2 in liver tissue?

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_feedback_correct: Correct. _feedback_incorrect: Incorrect.

3.

How many ATP molecules are produced when a molecule of 1,3-bisphosphoglycerate is completely oxidized to CO2 in mammalian cells?

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_feedback_correct: Correct. _feedback_incorrect: Incorrect.

4.

The mitochondrial process of β-oxidation involves the sequential oxidation of even-chain saturated fatty acids. During each pass through the β-oxidation sequence, two carbons are released from the fatty acid as acetyl-CoA, while 1 molecule of NADH and 1 molecule of FADH2 are also produced. β-oxidation proceeds until all that remains of the fatty acid chain are the final two carbons (as acetyl-CoA). The products of β-oxidation are used during downstream oxidative phosphorylation. How many ATP molecules are produced when palmitoyl-CoA (C16) is completely oxidized to CO2 in mammalian cells?

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_feedback_correct: Correct. _feedback_incorrect: Incorrect.

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