Resources
Identifying Disease Agents: But does it make ’em sick? http://whyfiles.org/012mad_cow/7.html.
John Snow. http://www.ph.ucla.edu/epi/snow.html. Information about John Snow from University of California at Los Angeles, School of Public Health, Department of Epidemiology.
John Snow (1813–1854). http://www.bbc.co.uk/history/historic_figures/snow_john.shtml.
John Snow: The London Cholera Epidemic of 1854. http://www.csiss.org/classics/content/8.
Koch’s Postulates. http://www.troy.k12.ny.us/thsbiology/labs_online/school_labs/koch_lab_school.html. Activity adapted from an online laboratory exercise developed by Troy High School, New York.
Koch’s Postulates. http://smccd.net/accounts/case/biol675/Koch/Koch1.html.
Germ Theory and Koch’s Postulates
Student Data Sheet
Name: Date:
Postulate 1
Unwashed, unbleached, uninoculated orange (negative control)
Date
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Mold mycelia (fuzzy) growth/no growth
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Amount of mold
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Mold spores
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Observations
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Washed, bleached, uninoculated orange (positive control)
Date
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Mold mycelia (fuzzy) growth/no growth
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Amount of mold
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Mold spores
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Observations
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Washed, bleached, inoculated orange (independent variable)
Date
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Mold mycelia (fuzzy) growth/no growth
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Amount of mold
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Mold spores
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Observations
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| Postulate 2
Potato dextrose agar plate
Date
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Mold mycelia (fuzzy) growth/no growth
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Amount of mold
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Mold spores
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Observations
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| Postulate 3
Washed, bleached, uninoculated orange (positive control)
Date
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Mold mycelia (fuzzy) growth/no growth
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Amount of mold
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Mold spores
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Observations
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Washed, bleached, inoculated orange (independent variable)
Date
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Mold mycelia (fuzzy) growth/no growth
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Amount of mold
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Mold spores
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Observations
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| Postulate 4
Date
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Mold mycelia (fuzzy) growth/no growth
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Amount of mold
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Mold spores
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Observations
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