The MSA will select for organisms such as Staphylococcus species which can live in areas ... This is a test commonly used when trying to identify Gram-negative enteric bacteria, all of which are ...
The beta hemolytic organisms (Streptococcus pyogenes and Streptococcus agalactiae ... In today's lab we will begin the characterization of Gram-negative bacilli. The nitrate test, which is important ...