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What is the purpose of the confirmed test in an experiment designed to test for coliform bacteria?
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- how to find out the test is differential or selective in the microbiology lab test?Why do the results for the confirmed test represent faecal coliform in the analysis of water using the MPN procedure?If the five-digit code that is tabulated cannot be found in the EnteroPluri-Test Codebook, what that indicate about the bacterial culture?
- If the five-digit code that is tabulated cannot be found in the EnteroPluri-Test Codebook, what might that indicate about the bacterial culture?Why is water tested for coliform bacteria rather than for pathogenic bacteria which may be present?What is the coliform test when is it used? What is its purpose? How does it function? What are the advantages and disadvantages of utilizing the coliform test?
- What is the purpose of the blank test in the experiments?Why can EMB agar be used to detect the presence of E. coli in particular? Explain the principle of detection of the organism using EMB agarWhat would happen if the enrichment method in the isolation of bacteriophage was omitted?the chloroform was not added to the enrichment?the 0.1 ml lysate - E.coli mix was plated directly on top of the bottom agar?
- When using Endo agar as the selective and differential media for the confirmed test, how would you know whether the test is positive for the presence of coli?If you did the multiple-tube technique, list one advantage and one disadvantage of each method of detecting coliforms?What would be the expected out come of a Nitrate reduction test If the bacteria is a pathogenic intestinal bacteria?