41. Immune System
Adaptive Immunity
Multiple Choice
Multiple ChoiceWhat do the antibodies secreted by plasma cells (the effector cells of humoral immunity) do to attack their targets?
A
Activate complement to form a pore in the membrane of the targets
B
Clump cells together so that phagocytes can ingest them
C
Cross-link soluble antigen molecules, forming immobile aggregates
D
Attach to antigens and block their activity
E
All of the listed responses are correct.
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