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In the medium where E. Coli was growing, lactose was added, which induced the lac operon. Why does lac operon shut down after sometime addition of lactose in the medium? |
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Answer» Lac operon is shut down after some times when the added lactose is utilized from the medium. It is be-cause the repressor protein binds to the operator region of the operon and prevent RNA polymerase from transcribing the operon. |
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