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Gene regulation governing lactose operon of E. coli that involves the lac I gene product isA. Negative and inducible because repressor protein prevents transcriptionB. Negetive and repressible because repressor protein prevents transcriptionC. Feedback inhibition because excess of `beta-`galactosidase can switch off trascipitionD. Positive and inducible because it can be induced by lactose

Answer» Correct Answer - B


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