How can one distinguish E. coli from P.aeruginosa on nutrient agar? blood agar? EMB agar? What is the major difference between Thayer-Martin and chocolate agar? When would you use Thayer-Martin rather than chocolate agar?
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How can one distinguish E. coli from P.aeruginosa on nutrient agar? blood agar? EMB agar?
What is the major difference between Thayer-Martin and chocolate agar? When would you use Thayer-Martin rather than chocolate agar?
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- What would happen if an ampicillin reagent is added to an Lysogeny broth agar plate that is below 50 degrees Celsius. What would happen if it was added to an Lysogeny broth agar plate that is 50-55 degrees Celsius? Please draw two plates to demonstrate.You inoculate a species of bacteria on a MacConkey agar. It normally shows positive for growth and ability to breakdown lactose. What other method would you use to confirm the result of the MacConkey agar, and what result would you expect?Why is CFU more applicable to a culture of streptococcus than to a culture of E.coli
- why is it important that a small amount of inoculum be used in preparation of an agar slant?Why do we grow the bacteria in minimal media when testing for citrate utilization?What are the components of a carbon-free broth or minimum medium for E.coli ? An example for broth without carbon to use for E.coli.
- explain the various factors affecting agar-agar gels and what is the source, manufacturing, and properties of agar-agar and what is the uses of agar-agar in food products?Describe how each of the following would appear when grown on EMB agar: a. Escherichia coli b. Pseudomonas aeruginosWhy is it necessary to perform an enrichment procedure in isolating Staphylococcus aureus instead of directly plating it into a selective medium? What might happen if you omit potassium tellurite in using GCM?