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Q.

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

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a

repressor binds to operator

b

RNA polymerase binds to i-gene

c

lactose present in medium and it binds to the RNA polymerase

d

inducer allolactose is present in medium that binds to the repressor and makes it inactivate

answer is A.

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Detailed Solution

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Lacoperon is swtiched on when inducer allolactose is present in medium that binds to the repressor and makes it inactivate.

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