repressor


re·pres·sor

noun \ri-ˈpre-sər\

Definition of REPRESSOR

:  one that represses; especially :  a protein that is determined by a regulatory gene, binds to a genetic operator, and inhibits the initiation of transcription of messenger RNA

Origin of REPRESSOR

New Latin
First Known Use: 1611

re·pres·sor

noun \ri-ˈpres-ər\   (Medical Dictionary)

Medical Definition of REPRESSOR

: one that represses; especially : a protein that is determined by a regulatory gene, binds to a genetic operator, and inhibits the initiation of transcription of messenger RNA

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