Question

Where is the antigen-binding site on an antibody present?

• A. On light chain as well as on heavy chain
• B. On light chain only
• C. On variable region and constant region of light chain
• D. On heavy chain only

Answer 1

The correct option is A On light chain as well as on heavy chain

Antigen binding site on antibody is between VH and VL region.

VH= heavy chain variable region and VL= Light chain variable region.