Which protein in the diagram is responsible for turning off expression of the lac operon genes?
Answers:

A) Gene 3 in the DNA segment

B) the RNA polymerase

C) Gene 1 in the DNA segment

D) the repressor protein

Which protein in the diagram is responsible for turning off expression of the lac operon genes Answers A Gene 3 in the DNA segment B the RNA polymerase C Gene 1 class=