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zymogen

Definitions

  • WordNet 3.6
    • n zymogen 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
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Webster's Revised Unabridged Dictionary
    • n Zymogen (Physiol. Chem) A mother substance, or antecedent, of an enzyme or chemical ferment; -- applied to such substances as, not being themselves actual ferments, may by internal changes give rise to a ferment. "The pancreas contains but little ready-made ferment, though there is present in it a body, zymogen, which gives birth to the ferment.""The pancreas contains but little ready-made ferment, though there is present in it a body, zymogen, which gives birth to the ferment."
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Century Dictionary and Cyclopedia
    • n zymogen A substance from which an enzym may be formed by internal change. Also zymogene.
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Chambers's Twentieth Century Dictionary
    • Zymogen a substance capable of developing by internal change into a ferment
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Etymology

Webster's Revised Unabridged Dictionary
Zyme, + -gen,
Chambers's Twentieth Century Dictionary
Gr. zymē, leaven, zymōsis, fermentation.

Usage

In literature:

When in this stage, the compound is known as "proenzyme," or "zymogen.
"The Chemistry of Plant Life" by Roscoe Wilfred Thatcher
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