Which of the following best explains the difference between epitope and an antigen
A. An epitope is any foreign substance , an antigen is a foreign protein
B. An epitope is part of a antigen where an antibody or lymphocyte receptor binds
C. An antigen is the part of an epitope where an antibody or lymphocyte receptor binds
D. Antigen are recognised by B-cells and antibodies , epitopes are recognised by T-cells
