In the lac operon model the genes within the operon will be expressed if: glucose is present in the cell lactose is present in the cell lactose is absent in the cell
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If glucose is present in the cell, the cAMP levels will be low, and the CAP-cAMP complex will not form. This means that the CAP-cAMP complex will not bind to the promoter region, and the transcription of the lac operon will be low. Show more…
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