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NEET Zoology Human Health and Diseases 2025 NEET 2025

NEET Zoology Question (2025) — Solution

Question

Identify the statement that is NOT correct.

Options

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

Answer

C. Antigen binding site is located at C-terminal region of antibody molecules.

Step-by-step solution

Each antibody molecule has four peptide chains, two small called light chains and two longer called heavy chains. Hence, an antibody is represented as H _2 ~L _2. In an antibody molecule, antigen binding site is located at N-terminal region.

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