Which of the following statements describes how antibody-binding brings about the removal of antigens?
A. Antibodies bind to antigens and hasten their removal through the kidneys.
B. Antibodies tag antigens for destruction, either via phagocytes or via complement activation.
C. Antibodies directly hydrolyze antigens, destroying them.
D. Antibodies directly lyse cells expressing foreign antigen, thus removing the antigen.
Answer: B
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