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.
Most boating accidents occur at the end of the day when environment, and drinking can induce bad judgement. The number one cause of fatalities in boating accidents is capsizing. It is normally the result of improper loading or overloading, but also can be caused by other things such as foul weather. When a boat capsizes the occupants should stay with the boat.