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Question: Answered & Verified by Expert
What is the function of the permease gene in the lac operon?
BiologyMolecular Basis of InheritanceNEET
Options:
  • A It codes for beta-galactosidase
  • B It codes for permease
  • C It codes for transacetylase
  • D It increases the permeability of the cell to β-galactosides
Solution:
2798 Upvotes Verified Answer
The correct answer is: It increases the permeability of the cell to β-galactosides
The y gene codes for permease, which increases the permeability of the cell to β-galactosides, allowing them to enter the cell.

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