The part of the antibody that binds an antigen:
A) is known as the Fc fragment.
B) is called an epitope.
C) makes up the tail of the Y-shaped molecule.
D) is known as the Fab fragments.
E) is known as the constant segment.

Question

Quizplus · Accepted Answer

The part of the antibody that binds an antigen is known as the Fab (Fragment, antigen-binding) fragments. These are the arms of the Y-shaped molecule that specifically bind to antigens.

The Part of the Antibody That Binds an Antigen