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Henri Dutrochet discoversthat tissues are composed of living cells.
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Protiens are discovered
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The first enzyme is discovered and isolated.
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The Escherichia coli bacterium is discovered.
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Pasteur begins working with yeast, eventually coming to a conclusion that it is a living organisms.
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Charles Darwin publises the theory of evolution by natural selection.
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Gregor Mendel discovers laws of inheritance.
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Walther Flemming discovered chromatin leading to the discovery of chromosomes.
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Louis Pasteur developes vaccines against bacteria that causes cholera and anthrax in chickens.
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Loius Pastuer and Emile Roux developed the first rabies vaccine and used it on Joseph Meister.
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The chromosome is discovered by Waldyer