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Question

In lac operon system, lacI gene codes for

A
Inducer
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B
Repressor
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C
Promoter
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D
β-galactosidase
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Solution

The correct option is B Repressor
In lac operon system, the lacI gene codes for the repressor, lacZ for β-galactosidase, lacY for permease and lacA for transacetylase.

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