Ans:- Opsonin:- A protein that is bound in recognition & enhances phagocytosis.
Example:- C3b, IgG, IgM,

Antibody-mediated opsonization. FcR on phagocytic cells recognize the Fc region of the antibody.

Opsonization by C3b. CR1 recognizes C3b deposited on antigen
Leave a comment