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.
In a final report released today, the National Transportation Safety Board said the probable cause of the crash was the loss of consciousness of two pilots caused by a loss in cabin pressure and a failure to get emergency oxygen. However, NTSB officials were unable to determine what caused the cabin pressure to drop.