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Question: Answered & Verified by Expert
In lac operon, $z$ gene codes for :
BiologyMolecular Basis of InheritanceNEETNEET 2022 (Phase 2)
Options:
  • A $\beta$-galactosidase
  • B Permease
  • C Repressor
  • D Transacetylase
Solution:
2916 Upvotes Verified Answer
The correct answer is: $\beta$-galactosidase
lac operon is an example of polycistronic operon in which 3 gene are present namely $Z, Y$ and $A$.
$\mathrm{Z}-\beta$-galactosidase
$\mathrm{Y}$ - Permease
A - Transacetylase

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