What is the function of a repressor protein?
A)To turn off transcription by binding to the operator.
B)To turn off transcription by binding to the activator.
C)To turn on transcription by binding to the operator.
D)To turn on transcription by binding to the activator.

Question

Quizplus · Accepted Answer

A repressor protein functions by binding to the operator region of DNA, thereby blocking RNA polymerase from transcribing the genes, effectively turning off transcription.

What Is the Function of a Repressor Protein