Place the following steps in the correct order to reflect how a plaque assay is done.1. Several dilutions of sample to be assayed are prepared.2. Dilutions are mixed with the appropriate bacterial host.3. Bacterial/sample dilution mixtures are plated on agar plates.4. Plates are incubated to allow for plaque development.5. Plates from different dilutions are examined and plaques are counted.
Fill in the blank(s) with the appropriate word(s).
4, 1, 5, 2, 3
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In a person who does NOT have cystic
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Which of the following developed a set of postulates for determining whether a particular disease is caused by a particular pathogen?
A. John Snow B. Robert Koch C. Joseph Lister D. Louis Pasteur