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NEET2025ZoologyHuman Health and DiseasesActual

Identify the statement that is NOT correct.

Options

  1. AEach antibody has two light and two heavy chains.
  2. BThe heavy and light chains are held together by disulfide bonds.
  3. CAntigen binding site is located at C-terminal region of antibody molecules.
  4. DConstant region of heavy and light chains are located at C-terminus of antibody molecules

Correct 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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