usmleasr
Forum Guru
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A 5-year-old boy is brought to the physician's office because of pharyngitis. Culture of a swab from the throat grows a β-hemolytic gram-positive coccus in chains. Which of the following components of the microbe is responsible for this organism's shape?
A) Glycoprotein
B) Lipopolysaccharide
C) Lipoteichoic acid
D) Peptidoglycan
E) Polysaccharide
F) Teichoic acid
explain the ans please
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| asmi
Forum Hero
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its peptidoglycan...cell wall constituent.responsible for giving shape and support .
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| krsma
Forum Elite
Topics: 40
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ya, i agree w/ asmi, it' s peptidoglycan (D)
We're assuming the question is about strep. pyogenes, which also has a capsule but the capsule is more responsible for it's pathogenesis.
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