Synthesis of a repressible enzyme is stopped by the
A) substrate binding to the repressor.
B) corepressor-repressor complex binding to the operator.
C) corepressor binding to the operator.
D) allosteric transition.
E) end product binding to the promoter.

Question

Quizplus · Accepted Answer

The corepressor-repressor complex binds to the operator, which prevents RNA polymerase from binding to the promoter and transcribing the gene.

Synthesis of a Repressible Enzyme Is Stopped by the