Q. DNA fragments are
A) either positively or negatively charged depending on their size
B) positively charged
C) negatively charged
D) neutral
Explanation
The net electric charge on DNA fragments is negative due to the presence of phosphate group ([image:6_image86.wmf]).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.