Answer:
Option A should be your answer.
Really isnt that hard you just have to write both definitions for both words
Answer: are highly specific only work against certain antigens
are part of the body's adaptive immunity
Antibody, also called as immunoglobulin, are proteins which are produced by the immune system of the organism against the action of the foreign substance, also called as antigen. Antibodies recognizes specific antigens, removes them from the body and provides the body immunity. Antibodies are specifically produced by the specialized white blood cells called as B lymphocytes.
