Which Statement Best Describes How Key Molecules Are Regenerated to Allow

question 131

Multiple Choice

Which statement best describes how key molecules are regenerated to allow continued metabolism in a cell?

• A) FADH₂ can donate its electrons to the electron transport chain and be regenerated to allow glycolysis to continue.
• B) NADH and FADH₂ can donate their electrons to the electron transport chain and be regenerated to allow the citric acid cycle to continue.
• C) GTP can donate its electrons to the electron transport chain and be regenerated to allow pyruvate oxidation to continue.
• D) ATP can donate its electrons to the electron transport chain and be regenerated to allow the citric acid cycle to continue.
• E) GTP, NADH, and FADH₂ can donate their electrons to the electron transport chain and be regenerated to allow the citric acid cycle to continue.

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Definitions:

Diene

Organic compounds containing two double bonds, which may participate in various polymerization and other chemical reactions.

Dienophile

A compound with an electron-deficient double or triple bond that readily reacts with a diene in a Diels-Alder reaction.

Major Organic Product

The most abundant product formed in a chemical reaction involving organic compounds, often favored kinetically or thermodynamically.

Major Organic Product

The primary product resulting from an organic reaction, typically formed in the highest yield under the reaction conditions.