Defineantigenic 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.

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Quizplus · Accepted Answer

An antigenic determinant site, also known as an epitope, is the specific part of an antigen molecule to which an antibody binds. It is this interaction between the antigenic determinant site and the antibody that initiates the immune response.

Defineantigenic Determinant Site