Repressors ________________.
A) bind to operators
B) lie between operators
C) lie between promoters
D) lie downstream from operators
E) are part of an operon

Question

Repressors ________________.  
A) bind to operators
B) lie between operators
C) lie between promoters
D) lie downstream from operators
E) are part of an operon

Quizplus · Accepted Answer

Repressors bind to operators, which are specific DNA sequences located near the promoter region of an operon. The binding of repressors to operators prevents RNA polymerase from transcribing the genes, therefore repressing their expression.