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In E.coli, the lac operon gets switched on when:

a. lactose is present, and it binds to the repressor

b. repressor binds to operator

c. RNA polymerase binds to the operator

d. lactose is present, and it binds to RNA polymerase

Answers (1)

The answer is the option (a) Lactose is present, and it binds to the repressor.

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