Multiple Choice
Which of these is a direct effect of antibodies?
A) Macrophages attach to the constant region of the antibody and phagocytize the antibody and antigen.
B) Many antigens are bound together and inactivated by the binding of specific antibodies.
C) Following combining of an antigen with an antibody,the constant region of the antibody triggers a release of inflammatory chemicals from mast cells.
D) Before combining with an antigen,the constant region activates the complement system.
Correct Answer:

Verified
Correct Answer:
Verified
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