Q. Which of the following radioisotope is not suitable for DNA labeling based studies?

A) $H^{3}$
B) $P^{32}$
C) $N^{15}$
D) $S^{35}$
Explanation

$S^{35}$ radioisotope is not suitable for DNA labeling based studies as DNA does not contain sulphur. $S^{35}$ radioisotope is suitable for protein labeling based studies because protein contains sulphur.

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

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