What happens when antibodies bind to specific antigens?
Kill the pathogen that the antigen belongs to
Activate cytotoxic T cells
Acivate complement system
Both B and C
A
Kill the pathogen that the antigen belongs to
B
Both B and C
C
Activate cytotoxic T cells
D
Acivate complement system
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Solution
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Opsonisation is the process by which the pathogen is recognised for ingestion and eliminated by the phagocytes. Opsonization involves the binding of an opsonin (antibody) to an epitope on a pathogen. After opsonin binds to the membrane, phagocytes are attracted to the pathogen. Phagocytes engulf the antigen and promote phagocytosis (digestion of antigen).
So, the correct answer is 'Opsonisation'.
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