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.
Each year a large number of electrical contractors are injured or killed in ladder accidents. The three most common causes for ladder accidents are: 1. Ladders In Poor Condition; 2. Improper Selection; and 3. Improper Use.