A coenzyme is a nonprotein organic molecule that interacts with an enzyme to allow it to work. Option D.
There are two types of cofactors For example, zinc or Cu(I) ions] and organic molecules known as coenzymes. Most coenzymes are vitamins or are derived from vitamins. Vitamins are organic compounds that, in very small amounts, are essential for maintaining normal metabolism.
A coenzyme is defined as an organic molecule that binds to the active site of a particular enzyme and helps catalyze a reaction. In particular, coenzymes can act as electron carriers in these reactions or transfer between enzymes as functional groups.
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