Consider the Lac Operon of E

Multiple Choice

Consider the lac operon of E. coli. When there is neither glucose nor lactose in the growth medium:

A) CRP protein binds to the lac operator.
B) CRP protein displaces the Lac repressor from the lac promoter.
C) the repressor is bound to the lac operator.
D) RNA polymerase binds the lac promoter and transcribes the lac operon.
E) the operon is fully induced.