Bacteria Isolated from the Lung Tissue of a 32-Year-Old Caucasian

question 286

Multiple Choice

Bacteria isolated from the lung tissue of a 32-year-old Caucasian male fail to decolorize with hydrochloric acid and alcohol after staining carbolfuchsin.  Which of the following cell wall components is most likely responsible for this staining phenomenon?

• A)N-acetylmuramic acid
• B)Teichoic acid
• C)Lipopolysaccharide
• D)Mycolic acid
• E)Ergosterol

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