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Antigen binding site in an antibody is found between:

  1. A
    two light chains
  2. B
    two heavy chains
  3. C
    one heavy and one light chain
  4. D
    either between two light chains or between one heavy and one light chain depending upon the nature of antigen.

Solution & Step-by-step Explanation

An antibody molecule consists of two heavy chains and two light chains. The antigen-binding site (paratope) is located at the variable regions formed by the association of one heavy chain and one light chain at each tip of the Y-shaped molecule.

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Antigen binding site in an antibody is found between:
A
two light chains
B
two heavy chains
C
one heavy and one light chain
D
either between two light chains or between one heavy and one light chain depending upon the nature of antigen.

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ImmunologyAntibodiesStructure

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