Antibodies _________.
A)bind to an antigen and destroy it by phagocytosis
B)provide for cellular immunity in the body
C)each recognize several different antigens
D)are proteins composed of heavy chains and light chains

Question

Quizplus · Accepted Answer

Antibodies are indeed proteins that consist of two types of polypeptide chains: heavy chains and light chains. These chains form a Y-shaped structure that is fundamental to the antibody's ability to bind specifically to antigens.