Q. Antigen binding site of immunoglobulin is
A) Variable region of heavy chain
B) Variable region of light chain
C) Constant region of light chain
D) Variable region of both heavy and light chain
Explanation
At the tip of each arm of the Y-shaped molecule is an area called the antigen binding site, which is formed by a portion of the heavy and light chains. Every immunoglobulin molecule has at least two of these sites, which are identical to one another
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.