In opsonization with IgG why would it be Madison Christian Micro

Question 95 / 102: In opsonization with IgG, why would it be important that IgG react with the antigen BEFORE a phagocytic cell recognizes the antibody molecule?

A If the IgG bound to the phagocyte BEFORE opsonization, it would most likely be ingested by
the phagocyte before it could bind to a pathogen (it would be 'naked,' so to speak).

B Binding of IgG by phagocytes would block the antigen binding sites on the IgG molecules, preventing
them from binding to the microbes.

C Binding of IgG by phagocytes changes their conformation-and by changing their protein conformation,
their antigen binding sites are changed and they can no longer recognize their specific antigenic
epitopes.

D Binding of antibody by phagocytes results in immediate release of protein-destroying enzymes
to the outside of the cell. Since antibodies are proteins, they would be destroyed by these
enzymes (and would then be unable to bind to their specific antigenic epitopes).

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