E. coli grown in the presence of lactose, but absence of glucose, will use the enzyme beta-galactosidase to digest lactose. How

Question

Zolol [24]

3 years ago

5

E. coli grown in the presence of lactose, but absence of glucose, will use the enzyme beta-galactosidase to digest lactose. How

are these cells different from cells which are grown in the absence of lactose and presence of glucose

Biology

1 answer:

Triss [41] · Answer 1 · 2022-08-01T21:29:12+03:00

Answer: Lac operon

Explanation: the same cells when grown in glucose media utilize the glucose as source if energy by blocking the activity of the enzyme beta- galactosidase. the operator site of the operon is blocked thereby preventing the activity of the collective functional genes.