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⟩ All of the following statements about the M-protein of Group A- Streptococci are correct EXCEPT?

* A. The amino terminal portion (distal portion) is variable, accounting for over 80 distinct serotypes.

* B. M proteins allow streptococci to resist phagocytosis.

* C. Antibodies to M protein confer type-specific immunity.

* D. M protein is the major virulence factor of Group A streptococci

* E. M protein is the major constituent of the capsule of Group A streptococci

Correct Answer: E

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