Below is an image of the lac operon and regulatory sequences In bacteria if lactose is absent and glucose is absent
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Step 1
It consists of three structural genes (lacZ, lacY, and lacA), a promoter (P), an operator (O), and regulatory elements such as the repressor gene (lacI) and the CAP-cAMP complex. Show more…
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If glucose is absent, but lactose is available, the lac operon will be _______
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If glucose is absent but lactose is present, the lac operon will be: a. activated b. repressed c. partially activated d. mutated
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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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