Answer:
B. it attaches to the RNA polymerase
Explanation:
The operon is effectively the center of transcriptional control. In addition to its main structural genes, the operon houses an operator and a promoter. In front of the promoter lies a regulatory gene that produces repressor proteins. When a repressor is in its active state, it binds to the operator.
Hope this helped.
Baby girls are 4.1mm
Baby boys a 3mm
A climax community is a stable community formed by succession :)
