Multiple Choice
Which statement about S. pyogenes and strep throat pathogenesis is False?
A) S. pyogenes strains that produce streptococcal pyrogenic exotoxins are lysogens.
B) Streptococcal pyrogenic exotoxins are A-B toxins that bind to host cells using the B portion.
C) Streptolysins O and S produced by S. pyogenes destroy blood cells by making holes in their cell membranes.
D) Spread of S. pyogenes is aided by streptokinase, an enzyme that breaks down blot clots.
E) The hyaluronic acid capsule of S. pyogenes helps it avoid the innate immune defenses.
Correct Answer:
Verified
Correct Answer:
Verified
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