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


NCERT Class XII
Biology - Main Course Book

Chapter 6. Molecular Basis of Inheritance

2

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2015-06-16T18:55:44+05:30

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Option A --     is the answer.
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2015-06-16T18:58:29+05:30

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Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.
The answer is: (a) lactose is present and it binds to the repressor.
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