Q. All the listed genes are structural genes in lac operon, except

A) I – gene
B) Z – gene
C) Y – gene
D) A – gene
Explanation

I - gene is a regulator gene while Z, Y and A are structural genes in lac operon.

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.