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Pricing
By Brian Uzomba
By Brian Uzomba
1546
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Girolamo Francastro He suggest that invisible organisms may cause disease.
1665
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Robert Hooke publishes his discovery of cells and sees he first microorganism.
1676
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Antony Leewenhoek observed the first bacteria.
He was observing the lake water and found these organisms. This sparked a start to microbiology.
1796
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Edward Jenner introduced the vaccination of smallpox.
1838 - 1839
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Mathias Schleiden and Theodor Schwann propose that all organisms are composed of cells.
1840
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J. Henle Proposes the germs are the cause of diseases.
1853 - 1854
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John Snow demonstrates the epidemic spread of cholera through a contaminated water supply.
1864
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Louis Pasteur develops pasteurization to destroy organisms in wine.
1876
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Robert Koch demonstrates that a bacterium causes anthrax.
1881
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Robert Koch introduces pure culture techniques in the laboratory.
1882
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Walter an Franny Hesse introduce the agar plate as a solidifying gel for the culturing medium.
1884
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Christian Gram describes the Gram stain.
1884
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Elie Methnikoff discovers phagocytic cells which engulf bacteria.
1928
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Frederick Griffith discovers genetic transformation in bacteria.
1929
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Alexander Fleming discovers first antibiotic, penicillin.
1944
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Avery, MacLeod, and McCarty demostrate that Griffith's Transforming principle is DNA.
1953
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Watson, Crick, and Franklin determine the structure of DNA being a double helix structure.
1971
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Theodor Diener demonstrates fundamental differences between viroids and viruses.
1973
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Boyer and Cohen Clone DNA
1977
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Carl Woese classifies all organisms into three domains.
1995
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The first complete nucleotide sequence of a bacterial chromosome is reported.