results obtained for the different tests and the characteristics of E. coli, S. epidermidis, and S. cerevisiae including the results of the test Solution 1. Staphylococcus Epidermidis: Its develops on sheep blood agar : White colour colonies are appears , circular and raised. 2. Entamoeba coli - Cyst and Trophozoite. 3. Saccharomyces cerevisiae is a kind of yeast. It is conceivably the most functional of yeast, having been influential to baking, winemaking and brewing since early times. It is suspect that it was initially isolated from the grapes skin. It is one of the most concentrated studied eukaryotic duplicate organisms in cell biology and molecular. It is the microorganism beyond the most ordinary type of fermentation..