A sample of pond water is tested using the most probable number method. There are 3 positive tubes for 10 mL, 1 positive thbe for 1 mL, and 1 positive tube for 0.1 mL. the most probable number per 100 mL is ________ ? fill in the blank.
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A sample of pond water is tested using the most probable number method. There are 3 positive tubes for 10 mL, 1 positive thbe for 1 mL, and 1 positive tube for 0.1 mL. the most probable number per 100 mL is ________ ?
fill in the blank.
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- Explain this example of the following water quality serial dilution. Note the dilution factors and how you would calculate #’s from the incubated plates. ……A serial dilution yielded TNTC in the 1:1 plate and the 1:10 plate, 10 cfu’s in the 1:100 plate and 1 cfu’s in the 1:1000 plate . What is the concentration (CFU)/ml of the raw sample?Please explain: After making the 1:100 dilution, the laboratory scientist puts both the original serum sample and the labeled 1:100 dilution into the refrigerator. What is the appropriate temperature setting for the refrigerator? Choose the best letter answer and give a brief explanation. A. –10°C to – 15°C B. 1°C to 8°C C. 22°C to 24°C D. 37°CExplain this example of the following water quality serial dilution. Note the dilution factors and how you would calculate #’s from the incubated plates. ……A serial dilution yielded TNTC in the 1:1 plate and the 1:10 plate, 50 cfu’s in the 1:100 plate and 3 cfu’s in the 1:1000 plate . What is the concentration (CFU)/ml of the raw sample? Is water acceptable for potable or Recreational use? Explain. When do you use filtration rather than serial dilution
