Define antigenic determinant site
A) An antigenic determinant site is the part of the antibody that contains constant segments.
B) An antigenic determinant site is the part of the antigen that is displayed by class I MHC cells.
C) An antigenic determinant site is the part of the antigen that is displayed by class II MHC cells.
D) An antigenic determinant site is the part of the antigen that constantly mutates to avoid immune system detection.
E) An antigenic determinant site is the part of the antigen molecule to which an antibody molecule binds.
Answer: E
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