Molecular Basis of Inheritance · Class 12 · CBSE · Science Biology
In the lac operon of E. coli, the z gene codes for which of the following enzymes?
Practice question from Molecular Basis of Inheritance (Class 12 · CBSE · Science Biology), with the correct answer and a step-by-step solution.
easy · MCQ · Q-F3572E
In the lac operon of E. coli, the z gene codes for which of the following enzymes?
- A.Permease
- B.beta-galactosidaseCorrect answer
- C.Transacetylase
- D.RNA polymerase
Solution
In the lac operon, the z gene codes for beta-galactosidase (which hydrolyzes lactose into galactose and glucose), the y gene codes for permease, and the a gene codes for transacetylase.
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