Which of the Following Is NOT Correct with Respect to the Redox

question 30

Multiple Choice

Which of the following is NOT correct with respect to the redox pair NAD⁺/NADH?

• A) The nicotinamide ring is a relatively stable aromatic structure.
• B) The nicotinamide ring is a heteroaromatic because it has a noncarbon atom in position 4.
• C) The nicotinamide ring may accept two electrons at carbon 1, becoming a nonaromatic ring.
• D) The reduced, nonaromatic ring of NADH is at a higher energy than the aromatic ring of NAD+.
• E) NADH can accept electrons from an electron transport system.

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