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Isolated nuclein DNA with associated proteins from cell nuclei.
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He discovered the transforming principle in pneumococous.
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Beadle and Tatum proved how genes use direct synthesis of enzymes that control metabolic processes.
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Idenified DNA as the transforming principle responsible for specific charecteristics in bacteria.
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Discoverd how to do genetics with bacterias and their viruses.
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He discovered regularity is an proportionary of DNA bases of different species.
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They discovered the structure of DNA
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Their experiment proved that DNA is genetic material.
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They discovered the chemical structure of DNA meets the unique requirements for a substance that encodes genetic info.
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He isolated the first DNA polymercing enzyme,
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They performed an experiment in 1958 which supported their hypothesis that DNA replication was semiconservative.
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He cracked the DNA "code".
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He assembled the first DNA from different organisms.
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Invented the system of PCR
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They invented DNA cloningnthat allowed genes to be transplanted between different biological species.
