Different strains of Streptococcus pyogenes have different virulence factors, giving these microbes much versatility. Virulence factors include which of the following? Choose one or more: A.A capsule that, when thick, will help the organism avoid phagocytosis by macrophages B.A cell wall containing lipoteichoic acid, thought to facilitate adherence to pharyngeal epithelial cells C.Enzymes that lyse blood cells (streptolysins) D.The production of several endotoxins called streptococcal pyogenic endotoxins (SPEs)

Human Physiology: From Cells to Systems (MindTap Course List)
9th Edition
ISBN:9781285866932
Author:Lauralee Sherwood
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Chapter12: Body Defenses
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Different strains of Streptococcus pyogenes have different virulence factors, giving these microbes much versatility. Virulence factors include which of the following? 
Choose one or more:

A.A capsule that, when thick, will help the organism avoid phagocytosis by macrophages

B.A cell wall containing lipoteichoic acid, thought to facilitate adherence to pharyngeal epithelial cells

C.Enzymes that lyse blood cells (streptolysins)

D.The production of several endotoxins called streptococcal pyogenic endotoxins (SPEs)

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