Which of the following redox coenzymes is primarily a reactant in reduction reactions?

Question

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NADPH is primarily a reactant in reduction reactions. It is a reduced form of NADP+ and is involved in providing reducing power in biosynthetic reactions such as fatty acid synthesis and the biosynthesis of nucleotides, steroids, and certain amino acids. In contrast, NAD+ and NADP+ are primarily oxidizing agents and accept electrons in oxidation reactions, while FAD is involved in a variety of oxidation-reduction reactions in cellular respiration and other metabolic pathways, where it can either accept or donate electrons.

Which of the Following Redox Coenzymes Is Primarily a Reactant