Which part of an antibody determines to which epitope it will bind?
A)the two arms of the Y
B)disulfide chains
C)the heavy chains
D)the stem of the Y
E)the Fc portion

Question

Quizplus · Accepted Answer

The two arms of the Y-shaped structure of an antibody are responsible for binding specifically to the epitope of the antigen. Each arm contains a variable region composed of heavy and light chains that form a antigen-binding site capable of recognizing and binding to a specific epitope on the antigen.

Which Part of an Antibody Determines to Which Epitope It