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18 Cards in this Set
- Front
- Back
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three important pieces in microbiology history.
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1) discovery of antibioics/pcn
2) 400 bc, greek Hippocrates 3) 542 ad, black death/bubonic plague |
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which group of people survived bubonic plague and why?
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Jewish population, due to santiary ptractices with their religious practices
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who and when was Anton vanLeeuwenkoek?
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Lens grinder who discovered the first bacterial world. 1600's Netherlands.
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what and when did Jenner discover?
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Smallpox vaccine from cow pustuals (cow pox). late 1700's
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GERM THEORY OF DISEASE
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microorganism can invade another organism and release disease
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when was the first to try to disprove"spontaneous Generation", by who and with which experement?
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mid 19th century, Redi with decomposing meat in jars with maggots growing on mesh top to jar.
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which experiment did Pasteur use to disprove "spontangeous generation? what was the basic principle of this experemtn
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Swan necked flask experemtn - when broth was not exposed to vital force (air) and debre collected in curve of flask would broth be tainted.
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Who is known for "postualtes"?
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Koch
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which vaccins can Pastuer take credit for?
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Colera,
anthrax, and rabies |
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Which principle is Pastuer known for.
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Pasturization - heat substance up enough to kill of any microbe pathogenics present
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Who founded the idea of pure culture - what is the concept of pure culture?
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Koch - use of mediums to control and isolate microbs in a medium that encouraged growth of organism in an aseptic enviroment.
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Koch's postuales state?
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1)ID and isolate pure culture of bacteria from infected organism
2) infect healthy organism /c microbe 3) establish organism #2 has same illness as organism #1 4) ID same bacteria in organism #2 |
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when was DNA id as genetic material
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1944
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who and when was DNA double helix discovered?
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Watson and Crick in 1952
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three categories of microbes
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virus, prokaryotes, and eukaryotes
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what is a prokaryote, and the two subdivisions?
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BACTERIA, and Eubacteria, and Archeabateria
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What make a virus very different that pro - or eukaryotes?
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only has 1 nuclic acid; has either a DNA or an RNA (not both), it is an Obligate Inteacellular parasit
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what is an Obligate Intracellular Parasite?
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Virus - can not replicate outside of cells, must replicate inside of cells. must use cellular make up of other organisms cellular machinery to replicate.
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