apoenzyme | (noun) a protein that combines with a coenzyme to form an active enzyme | - |
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coenzyme | (noun) a small molecule (not a protein but sometimes a vitamin) essential for the activity of some enzymes | - |
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enzyme | (noun) any of several complex proteins that are produced by cells and act as catalysts in specific biochemical reactions | - |
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lysozyme | (noun) an enzyme found in saliva and sweat and tears that destroys the cell walls of certain bacteria | Synonyms: muramidase |
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proenzyme | (noun) any of a group of compounds that are inactive precursors of enzymes and require some change (such as the hydrolysis of a fragment that masks an active enzyme) to become active | Synonyms: zymogen |
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