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19 Cards in this Set
- Front
- Back
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Who is given credit for discovering the 'microbial world'?
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Anton van Leeuwenhoek
- dutch draper, 1670s |
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Anton van Leeuwenhoek, who is given credit for discovering the 'microbial world', designed what?
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a simple microscope
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What did Anton van Leeuwenhoek see using his simple microscope?
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'animalcules' (most likely protozoa) in rain water, scrapings from teeth, excrement, etc
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What is the theory of Spontaneous Generation?
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Living organisms can arise from non-living matter
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What's the "evidence" behind the theory of spontaneous generation (living organisms can arise from non-living matter)?
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- Maggots come from meat
- Mice arise from grain sacks, etc |
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Who was the guy who first disputed the theory of spontaneous generation?
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Francesco Redi
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What did Francesco Redi find while disputing the theory of spontaneous generation?
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Maggots come from flies, not meat!
- open jar--maggots appear on meat - covered jar--no maggots |
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What did Francesco Redi's experiment accomplish?
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- renewed controversy over spontaneous generation
- Maybe big organisms not created by spontaneous generation - but smaller microorganisms could be |
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What is Louis Pasteur known for using?
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Swan-neck Flasks
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What did Louis Pasteur accomplish?
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Refuted spontaneous generation Once and for all. Put Sterile broth in a swan neck flask. time passes. air enters and microorganisms are trapped in neck, so no organisms appear
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Did Pasteur prove the germ theory of disease (disease is caused by microorganisms)?
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No. Robert Koch proved this
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What is the germ theory of disease?
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disease is caused by microorganisms
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What is Louis Pasteur's claim to fame?
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Developed immunization against rabies
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Robert Koch, an East Prussian doctor, worked with?
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Bacillus anthracis (anthrax)
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Robert Kosh established Kosh's Postulate. What is it?
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Kosh's Postulate is a way of relating specific organisms to specific diseases.
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Besides establishing Koch's Postulates, Robert Koch also developed?
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pure culture techniques using agar
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What did Robert Koch win a nobel prize for?
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work on tuberculosis
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3 accomplishmets of Robert Koch
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- established Koch's Postulate
- developed pure culture techniques using agar - nobel prize for work on tuberculosis |
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What are some Modern Challenges of microbes?
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- Antimicrobial resistance
- Emerging and re-emerging infectious diseases - bioterrorism |
