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Q.

The repressor of lac operon is inactivated by the binding of

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a

glucose

b

galactose

c

galactosidase

d

allolactose

answer is D.

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Detailed Solution

Allolactose or lactose are inducers of lac operon. Allolactose/lactose binds to the repressor of lac operon and inactivates it. Hence it cannot bind to the promoter region.

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The repressor of lac operon is inactivated by the binding of