In a Reaction Catalyzed by a Dehydrogenase, It Was Observed

question 25

Multiple Choice

In a reaction catalyzed by a dehydrogenase, it was observed that NAD⁺ was required for binding of the second substrate. The reduced form of NAD was found to be a competitive inhibitor against NAD⁺. Which of the mechanisms listed below describes the action of this enzyme?

• A) Random
• B) Ordered sequential
• C) Ping Pong
• D) Concerted
• E) None of the above

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