Groups are determined by PRECIPITIN test, serologic test to measure a specific reaction between antigen (C carbohydrate, located in the cell wall) and antibody which results in a visible precipitate. Group A Streptococci (Streptococcus pyogenes) is among the most important human pathogens.
Answers.comÂ® is making the world better one answer at a time. Striking an object is the leading cause of pwc accidents on boats.
Porsche have hit back at a lawsuit claiming negligence and poor design caused the 2013 crash that killed Paul Walker, saying the sole cause of the accident was the dangerous driving of the man behind the wheel, Roger Rodas.