You Are Studying a Set of Mouse Genes Whose Expression

Multiple Choice

You are studying a set of mouse genes whose expression increases when cells are exposed to the hormone cortisol, and you believe that the same cortisol-responsive transcriptional activator regulates all of these genes.If your hypothesis is correct, which of the following statements below should be TRUE?

A) The cortisol-responsive genes share a DNA sequence in their regulatory regions that binds the cortisol-responsive transcriptional activator.
B) The cortisol-responsive genes must all be in an operon.
C) The transcriptional regulators that bind to the regulatory regions of the cortisol-responsive genes must all be the same.
D) The cortisol-responsive genes must not be transcribed in response to other hormones.