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.
A list of the leading causes of traffic accidents in provided below. 1. Speeding While Driving and Reckless Driving: Failing to follow the speed limit is the most common cause of traffic accidents in the United States.