The M protein on the surface of Streptococcus pyogenes
A) is an antibody- antigen complex.
B) is a pyrogen that elevates the body temperature.
C) is a chemotaxic substance that attracts neutrophils.
D) is part of the bacterium's capsule and prevents adherence of phagocytes to its surface.
E) acts as a toxin to human cells.
Correct Answer:
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