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Gene regulation governing lactose operon...

Gene regulation governing lactose operon of E.coli that involves the lac I gene product is

A

Feedback inhibition beacause excess of `beta` -galactosidase can switch off transcription .

B

Positive and inducible because it can be indced by lactose.

C

Negative and inducible because repressor protein prevents transcription.

D

Negative and respessible because repressor protein prevents transcription

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The correct Answer is:
C
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