Which of the Following Correctly Describes the Composition of NAD⁺

question 140

Multiple Choice

Which of the following correctly describes the composition of NAD⁺?

• A) adenine, nicotinamide, a ribose and a ribitol linked by a diphosphate
• B) adenine, nicotinamide, and two ribose molecules linked by a diphosphate
• C) adenine, nicotinamide, and two ribose molecules linked by a triphosphate
• D) adenine, nicotinamide, and two ribitol molecules linked by a diphosphate

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