What conditions must be present for transcription of the Lac Operon genes? What is the function of a repressor protein if lactose is absent?
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This process of lac operon is only active when the cell doesnt have gulcose or any source of glucose but kept in the medium of lactose solution .
the function of repressor is to bind with the operator region to prevent RNA polymerase to transcribe the operon thus it inhibits the synthesis of beta -galactisidase which is responsible for breaking of disaccharide (lactose).
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