Poion of immunoglobulin molecule with molecular weight of 50,000-: (A) Secretory piece, (B) H chain, (C) L chain, (D) j piece
Answer is B. Antibody or immunoglobulin are glycoproteins molecules consisting of four polypeptide chains. - two identical heavy chains ( H) , molecular weight > 50 kDa. Two identical light chains (L), molecular weight > 25kDa. Reference : Anathanarayan & paniker's 9th edition, pg no: 94 <\p>