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Pathogenic Streptococci of the Upper Respiratory Tract (Such as Streptococcus

Question 10

Multiple Choice

Pathogenic streptococci of the upper respiratory tract (such as Streptococcus pyogenes) are distinguished from non-pathogenic streptococci by


A) alpha hemolytic activity.
B) the presence of a lysogenic phage.
C) beta hemolytic activity.
D) the absence of a capsule.
E) no hemolytic activity.

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