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repressor: Meaning and Definition of

re•pres•sor

Pronunciation: (ri-pres'ur), [key]
— n.
  1. represser.
  2. a protein that binds DNA at an operator site and thereby prevents transcription of one or more adjacent genes.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
See also:
repressive reprieval
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