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definitions

aporepressor

[ăp′ə-rĭ-prĕs′ər]
n.
  1. A repressor that combines with a specific corepressor to inhibit transcription of certain genes; it is a homeostatic mechanism for the regulation of repressible enzyme systems.inactive repressor
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.