Flavin mononucleotide (FMN) acts as a coenzyme in dehydrogenation reactions. Is FMN oxidized or reduced when a molecule is dehydrogenated?

• A. FMN is neither reduced nor oxidized.
• B. FMN is either reduced or oxidized.
• C. FMN is reduced.
• D. FMN is oxidized.

Answer: (C)