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Q.

In the Lac operon, i gene code for

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a

ß - galactosidase 

b

permease

c

transacetylase

d

repressor protein

answer is D.

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Detailed Solution

In lac operon i gene codes for the repressor protein. i gene is a regulatory gene. This repressor protein binds to the operator region and prevents the RNA polymerase from transcribing the operon (when there is no lactose).

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