The Following Reaction Is One Step in the Key Metabolic

question 11

Multiple Choice

The following reaction is one step in the key metabolic pathway called the citric acid cycle.This reaction is missing a reactant (A) which reacts to form a product (B) .What is the identity of A and B?

• A) A is NAD⁺, and B is NADH + H⁺.
• B) A is FAD, and B is FADH₂.
• C) A is NADH + H⁺, and B is NAD⁺.
• D) A is FADH₂, and B is FAD.
• E) Actually, there is no A, but B is H₂.

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