Dr. Rebecca Lancefield used which of the following in her classification of the Streptococci

Dr. Rebecca Lancefield used which of the following in her classification of the Streptococci



A. The F protein
B. The M protein
C. The haemolytic pattern of the bacteria
D. The C-carbohydrate antigen in the cell wall
E. The M-like protein


Answer: D. The C-carbohydrate antigen in the cell wall


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