Two heavy chains and two light chains in order to form a Y shaped moleculeAntigen binding site is present between one heavy chain and one light chain respectively. Two light chains 2. Pin On Biology Summaries Either between two light chains or between one heavy and one light chain depending upon the nature of antigen. . Correct option is C Antigen binding site also known as paratope is a part of an antibody which recognizes and binds to an antigen. Two heavy chains 3. Practice questions MCQs Past Year Questions PYQs NCERT Questions Question Bank Class 11 and Class 12 Questions NCERT Exemplar. Antibodies are the recognition proteins found in the serumand other body fluids and reacts specifically with the antigens. Two heavy chains 3. Two light chains 2. One heavy and one light chain 4. Read customer reviews find best sellers. Two heavy chains c. A typical antibody monomer has four protein c