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Which of the following is the prosthetic group of NADH dehydrogenase?

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Which of the following is the prosthetic group of NADH dehydrogenase?

(a) NADH

(b) FAD

(c) NADPH

(d) FMN

The question was posed to me in examination.

My question is taken from ATP Synthesis-1 topic in section Oxidative Phosphorylation and Photophosphorylation of Biochemistry

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The correct answer is (d) FMN

Explanation: NADH initially binds to complex I and transfers two electrons to the flavin mononucleotide (FMN) prosthetic group of the enzyme creating FMNH2.

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