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Question
In E.coli, the lac operon gets switched on when lactose is ______.
Options
present in the medium and it binds to the repressor.
not present in the medium and the repressor binds to the operator.
not present in the medium and RNA polymerase binds to the operator.
Active lactose present in the medium binds to RNA polymerase.
MCQ
Fill in the Blanks
Solution
In E.coli, the lac operon gets switched on when lactose is present in the medium and it binds to the repressor.
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