The lac operon contains an operator, promoter, and structural genes that are transcribed together and are under the control of the catabolite activator protein (CAP) or repressor.The lac operon encodes for the genes needed to utilize lactose as an energy source. Answer is C
<span>The central nervous system (CNS) and peripheral nervous system (PNS) work together in a multitude of ways. The (PNS) is ultimately the extension of the (CNS)</span>
