I think the correct answer from the choices listed above is option C. The lac operon is most active when glucose levels are low and lactose is present. A lac operon is an operon required for transport and metabolism of lactose. Hope this answers the question.
Answer:
C
Explanation:
I hope this helps. Sorry if i'm wrong.
Answer:a
Explanation: just had the question
Proteins function as builders and give energy repair and reproduce muscle etc ...