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garri49 [273]
3 years ago
4

What happens when an antibody binds an antigen

Biology
2 answers:
crimeas [40]3 years ago
4 0
When some antibodies combine with antigens, they activate a cascade of nine proteins, known as complement, that have been circulating in inactive form in the blood. Complement forms a partnership with antibodies, once they have reacted with antigen, to help destroy foreign invaders and remove them from the body.
aleksandrvk [35]3 years ago
4 0
They activate a cascade of nine proteins, known as complement, that have been circulating in inactive form in the blood.
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