2022 Phase 2 Molecular Basis of InheritanceLac operon Easy Question 2 of 4 in Lac operon

In lac operon, z gene codes for:

A Transacetylase
B $\beta$-galactosidase
C Permease
D Repressor

The answer is B.

Solution

The z gene codes for $\beta$-galactosidase, the y gene for permease and the a gene for transacetylase.

Concept Lac operon

Lac operon in past papers

4 questions from this chapter have appeared across 4 exam years.