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Q.

In the Lac operon, i gene codes for     

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a

β- galactosidase

b

permease

c

transacetylase

d

repressor protein

answer is D.

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Detailed Solution

In lac operon lac i gene code for repressor protein.  Repressor is a protein that inhibits the transcription of operon by binding to the operator with partial overlapping of promoter sequence.

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In the Lac operon, i gene codes for