3.35: Control of Microbial Growth
- Page ID
- 91011
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Preparation
- prepare 3 TSA petri plates per student
- spreadsheet with formulas preprared to calculate t-test results for the class results
Materials
- 3 TSA petri plates per student
- sterile cotton swabs (3 per student)
- sterile distilled or DI water in beakers, containers or cups (1 per group)
- soap in squeeze bottles (1 per group)
- disinfectant spray (1 per group)
- markers
- graph paper and rulers or computers for graphing (1 per student)
- spreadsheet prepared to calculate t-test results for the class results