Word Study
coenzyme
CIDE DICTIONARY
coenzyme,
a molecule that is essential for the activity of some enzymes; it may exist free in solution within a living organism, but functions by binding to an enzyme to assist in catalyzing a reaction. The molecule itself may be temporarily changed during the reaction, but is ultimately restored to its original form. Many vitamins function as coenzymes. [PJC]
OXFORD DICTIONARY
coenzyme, n. Biochem. a non-proteinaceous compound that assists in the action of an enzyme.
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