Bacteria-Microbiology

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Last updated 3:34 PM on 10/11/26
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6 Terms

1
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LUCA

last universal common ancestor

2
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cyanobacteria

the first photosynthetic oxygen producing bacteria and microorganism

3
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What are the three domains that all life belongs to

Bacteria, Archaea or Eukarya

4
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give 6 uses of microorganisms

  • breaking down organic matter allowing nutrients to be recycled

  • breaking down pollutants

  • immune development and human health

  • disease

  • food production(bacteria and yeast)

  • biotechnology production of fuels and drugs such as recombinant DNA technologies


5
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What did louis pasteurs experiment with the swan bottle neck prove

the microorganisms were carried by dust particles in the solution

6
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what are the 4 conclusions koch made in koch’s postulate expeirment

  1. the suspected pathogen must be present in all cases of disease and absent from healthy animals

  2. the suspected pathogen must be grown in pure culture

  3. cells from the pure culture of the suspected pathogen must cause disease in the healthy animal

  4. the suspected pathogen must be reisolated to be shown as the original