Bacteria Can Respond Quickly to Their Surroundings, Such as in the Presence

Multiple Choice

Bacteria can respond quickly to their surroundings, such as in the presence of an abundant food source. This is because:

A) genes for functionally related enzymes are regulated together in operons.
B) genes for functionally related enzymes are always constitutive.
C) genes for functionally related enzymes are always under positive control.
D) efficient protein degradation removes unneeded proteins quickly.
E) all bacterial genes are constitutive.