Streptococcus is classified based on__________________?
Correct answer: D. Cell wall carbohydrate
- A. M Protein
- B. Cultural characteristics
- C. Bile Solubility
- D. Cell wall carbohydrate
Explanation
The major Lancefield classification of streptococci is based on antigenic differences in cell-wall carbohydrate. M protein is important for grouping and virulence of Streptococcus pyogenes but is not the general classification basis.
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