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.
There are a variety of situations that cause slip-and-fall accidents, including wet spots, loose flooring, clutter, and walkways strewn with electrical cords and cable. Wet Floors â The most common cause of a slip-and-fall accident is a slick floor.