1.

The effector function of the antibody requires its Fc region. The Fc region binds to cells or proteins to mediate its function. Which of the following is the effector function of the antibody?

A. Antigen binding to antibody promotes opsonization
B. Antigen binding to antibody activates complement
C. Antigen binding to antibody activates cell cytotoxicity
D. All of the above
Answer» E.


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