Q. Immunoglobulins are made up of

A) Two polypeptide chains
B) Four polypeptide chains
C) Three amino acids only
D) Five nucleotides
Explanation

Immunoglobulins are present in serum and provide immunity to body against diseases. Each immunoglobulin is made up of four polypeptide chains-two heavy weight chains and two light weight chains. These chains are joined to each other by disulphide bonds.

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.