Question

Antigen binding sites on an antibody are formed by:
(1) variable region of light chain and constant
region of heavy chain.
(2) variable region of light chain and variable
region of heavy chain
(3) constant region of light chain and variable
region of heavy chain.
(4.)constant region of light chain and constant
region of heavy chain.​

Answer 1

Answer:

2

Explanation:

may be it correct because antigen persent at light chain