repressor
[ ri-pres-er ]
/ rɪˈprɛs ər /
noun
Genetics. a protein that binds DNA at an operator site and thereby prevents transcription of one or more adjacent genes.
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Which of the following animal names traces its immediate origin to Portuguese?
Words nearby repressor
repressed, represser, repressible enzyme, repression, repressive, repressor, repressor gene, reprieval, reprieve, reprimand, reprint
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
Example sentences from the Web for repressor
In his principal work, the "Repressor of over much blaming of the Clergy," ed.
A Literary History of the English People|Jean Jules Jusserand
British Dictionary definitions for repressor
repressor
/ (rɪˈprɛsə) /
noun
biochem a protein synthesized under the control of a repressor gene, which has the capacity to bind to the operator gene and thereby shut off the expression of the structural genes of an operon
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Medical definitions for repressor
repressor
[ rĭ-prĕs′ər ]
n.
One that represses.
A protein, especially either of two proteins produced by regulatory genes, that blocks transcription of an operon.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Scientific definitions for repressor
repressor
[ rĭ-prĕs′ər ]
A protein that binds to an operator, blocking transcription of an operon and the enzymes for which the operon codes.
The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.