A) In the presence of glucose, E.coli cells do not utilize lactose
B) They cannot transport lactose from the medium into the cell
C) The lac operon is constitutively active in these cells
D) They cannot synthesize functional betagalactosidase
Correct Answer: D
Solution :
The enzyme like lactase or -galactosidase which is formed in response to the presence of its called inducible enzyme.You need to login to perform this action.
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