NEET 2025 Zoology question on Animal Kingdom

1. A.
   Constant region of heavy and light chains are located at C-terminus of antibody molecules
2. B.
   Each antibody has two light and two heavy chains.
3. C.
   The heavy and light chains are held together by disulfide bonds.
4. D.
   Antigen binding site is located at C-terminal region of antibody molecules.

[NEET 2025]