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aporepressor

[ ăp′ə-rĭ-prĕsər ]
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n.
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
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Which of the following nouns has an irregular plural form?
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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