When lactose is present in the medium, RNA polymerase will bind to the ____ of the E. coli lac operon.
A) lacI gene
B) operator
C) promoter
D) transcription initiation site
E) first codon of the lacZ gene

Question

Quizplus · Accepted Answer

RNA polymerase binds to the promoter region of the E. coli lac operon when lactose is present in the medium, initiating the transcription of the operon.

When Lactose Is Present in the Medium, RNA Polymerase Will