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isoenzyme

iso·en·zyme

noun \-ˈen-ˌzīm\

: any of two or more chemically distinct but functionally similar enzymes—called also isozyme

—iso·en·zy·mat·ic \ˈī-sō-ˌen-zə-ˈmat-ik, -zī-\ adjective

—iso·en·zy·mic \-en-ˈzī-mik\ adjective

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