Explain how PEMBA is used to isolate, differentiate and enumerate Bacillus cereus from food sample.
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Explain how PEMBA is used to isolate, differentiate and enumerate Bacillus cereus from food sample.
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- Diff erentiate between staphylococcal species in the laboratory through the examination of physiological and biochemical traits.Explain the significance of the Snyder agar medium and its differential nature as a means to detect dental caries.Describe how TCBS medium is used to isolate and differentiate Vibrio.
- Explain the activities associated with the isolation of Bacillus megaterium organsim from mixed culture to pure culture. Include the inoculum source, incubation temperature and other information.Describe how cellular characteristics are used to categorize grampositivebacilli into major groups.What is the purpose of the cards used during exposure? What is the advantage of Bacillus species compared to this Serratia in this experiment?
- What is a good strategy for isolating spore-formingbacteria from an environmental sample?McConkey agar red is considered to be both differential and selective for the isolation of members of the family Enterobacteriaceae. Explain whyPresent the ecology of Sphaerotilus natan or area where you can isolate the bacteria or the usual habitat. What are the Sphaerotilus natan related species? (Genera, etc).