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Q: Design a serial dilution procedure to achieve a 56-colony count, from a sample with 8.75x105 CFU/mL…
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Q: Design a serial dilution procedure to achieve a 56-colony count, from a sample with 8.75x105 CFU/mL…
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- Calculate the concentration of the overnight stock culture in CFU/mLWhat are the advantages and disadvantages of the filter method in the analysis of water samples? Why is the incubation temperature critical for this test?Why is the incubation temperature criticalwhen using the Filter Method when testing water samples?
- What is the likely result if you try to use the 100X objective without immersion oil?What are the difference in the movement of microorganisms under wet mount from hanging drop technique? Provide a descriptive explanation.What are the factors which need to be considered in the selection of culture vessel?
- For an exponentially growing culture that increases from 5 *106cells/ml to 5 * 108cells/ml in 8 h, calculate g, n, and k forthis culture.Can you show the step by step process of Nitrate Redution Test using a schematic diagram?A sample is diluted by a factor of 10 five times. The 10^-3 dilution has 272 colonies on it. Assuming you plated the same volume on each plate, how many colonies would you expect to find on the 10^-4 plate? Include units and use OCD formula.
- Design a serial dilution procedure to achieve a 56-colony count, from a sample with 8.75x105 CFU/mL bacterial concentration.What is considered a significant change in annual spirometric results? What factors might account for changes in annual spirometry?How would you make two-fold serial dilutions such that the last tube is a 1:32 dilution of the original, concentrated material? Assume that you need to have at least 500 µl of each dilution, and you should be able to perform the dilutions in microfuge tubes with a maximum capacity of 1.5 ml.