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NEET 2022
Exam
NEET
Year
2022
Subject
Zoology
Chapter
Molecular Basis of Inheritance

NEET 2022 · Zoology · Molecular Basis of Inheritance

In lac operon, z gene codes for :

In lac operon, zz gene codes for :

Options

  1. Aβ\beta-galactosidase
  2. BPermease
  3. CRepressor
  4. DTransacetylase

Correct answer

A. β\beta-galactosidase

Step-by-step solution

lac operon is an example of polycistronic operon in which 3 gene are present namely Z,YZ, Y and AA. Z−β\mathrm{Z}-\beta-galactosidase Y\mathrm{Y} - Permease A - Transacetylase
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