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

What is the function of the permease gene in the lac operon?
  1. It codes for beta-galactosidase
  2. It codes for permease
  3. It codes for transacetylase
  4. It increases the permeability of the cell to β-galactosides

Solution

The y gene codes for permease, which increases the permeability of the cell to β-galactosides, allowing them to enter the cell.

Asked in: NCERT

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