NADH is a coenzyme that functions as a reducing agent. It carries electrons from one reaction to another.
Imagine NADH as a rechargeable battery. When it's charged up (NADH), it has extra energy (electrons) it can give away. Once it gives away its energy, it becomes discharged (NAD+).
NAD+: The oxidized form of NADH; acts as an electron acceptor.
Redox Reactions: Chemical reactions involving oxidation or reduction; these reactions involve transfer of electrons between two species.
Oxidative Phosphorylation: The metabolic pathway where cells use enzymes to oxidize nutrients and release energy which is used to reform ATP.
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