6.7: Results
- Page ID
- 52346
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Count the number of plaques
Look at all of your plates prepared last period. Record the number of plaques following the same procedure used in counting bacterial colonies . Calculate the PFU/mL of the original phage sample. Remember, your plated 100 µL (0.1 mL) of the phage dilutions.
1. Record data from your phage plates here:
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Total dilution |
Plaque Counts |
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10-4 |
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10-5 |
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10-6 |
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10-7 |
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PFU/mL of original phage sample:______________________
2. Record phage enumeration data for the class here:
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Student pairs |
Dilution with 30-300 plaques |
Number of plaques on plate |
PFU/mL in original T4 phage sample. |
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Class Average:
Testing Oxygen Requirements
Illustrate the growth pattern of each bacterial species inoculated into the tube of thioglycollate agar using the pictures below. Record any other distinguishing characteristics of the growth of each species. Name the classification of the organism based on its oxygen requirements, aerobe, anaerobe, of facultative, in the space below.
