What is the function of the i gene in the lac operon?

What is the function of the i gene in the lac operon?
  1. It codes for beta-galactosidase
  2. It codes for permease
  3. It codes for transacetylase
  4. It codes for the repressor of the lac operon

Solution

The i gene codes for the repressor of the lac operon, which regulates the expression of the three structural genes.

Asked in: NCERT

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