In prokaryotes, the region of DNA to which RNA polymerase binds most tightly is the
A) promoter.
B) poly C center.
C) enhancer.
D) operator site.
E) minor groove.

Question

Quizplus · Accepted Answer

The region of DNA to which RNA polymerase binds most tightly in prokaryotes is the promoter. This is because the promoter region contains the specific DNA sequence to which RNA polymerase binds to initiate transcription.

In Prokaryotes, the Region of DNA to Which RNA Polymerase