If a Mutation in the Gene That Encodes CRP Makes

Multiple Choice

If a mutation in the gene that encodes CRP makes it unable to bind to cAMP, which outcome is most likely?

A) The lac operon genes will be expressed even in the absence of lactose.
B) The lac operon genes will be expressed at a high level even when glucose is at a high concentration.
C) The lac operon genes will be expressed at a low level even when glucose is at a low concentration.
D) The trp operon genes will always be expressed.
E) The trp operon genes will never be expressed.