Lancefields classification of B hemolytic streptococcus is based on______________?
Correct answer: B. Polysaccharide C antigen
- A. M Protein
- B. Polysaccharide C antigen
- C. Type of lipid in cell membrane
- D. Physiological properties
Explanation
Lancefield grouping depends on the group-specific carbohydrate, called the C antigen, in the streptococcal cell wall. M protein is used mainly for typing and virulence classification of group A streptococci.
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