Q. The colonies of recombinant bacteria appear white in contrast to blue colonies of non-recombinant bacteria because of:

A) Insertional inactivation of alpha-galactosidase in non-recombinant bacteria
B) Insertional inactivation of alpha-galactosidase in recombinant bacteria
C) Inactivation of glycosidase enzyme in recombinant bacteria
D) Non-recombinant bacteria containing beta-galactosidase
Explanation

The correct answer is Option C: Inactivation of glycosidase enzyme in recombinant bacteria.

A detailed explanation for this question is being prepared.

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

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