MICROPARA LAB - EXP 4: Ubiquity of Microorganisms

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6 Terms

1
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Ubiquity

Ability to thrive in varied and often extreme habitats

2
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Normal Flora

In the human body, bacteria are found as part of the _____ _____, particularly on the skin and in the gastrointestinal tract.

  • Plays a role in:

    • Digestion

    • Immunity

    • Pathogen Defense

3
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Influence of Bacteria in Ecological Processes

  • Breakdown of organic matter

  • Recycling of nutrients

  • Maintenance of the nitrogen and carbon cycles

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Robert Koch

Faced the challenge of isolating individual species when he began studying bacteria.

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Frau Hesse

  • Proposed using agar-agar as a solidifying agent

  • The wife of one of Koch’s colleagues

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R.J. Petri

Developed the covered dish (now called Petri Dish), which protected cultures from airborne contaminants.