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History of DNA Discovery

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Search for the Structure of DNA. History of DNA Discovery. Rosalind Franklin ... James Watson (1928 - ) Francis Crick (1916 - ) Search for the Structure of DNA ... – PowerPoint PPT presentation

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Title: History of DNA Discovery


1
History of DNA Discovery
Friedrich Miescher (1844-1895) 1871 - isolated
an acidic substance from the nuclei that he
called nuclein
2
History of DNA Discovery
Phoebus Levene (1869-1940) 1910 - proposed the
tetranucleotide hypothesis
3
History of DNA Discovery
Frederick Griffith (medical officer in British
Ministry) 1927 - discovered transformation
4
History of DNA Discovery
Oswald Avery (1877 - 1955) 1944 - discovered
that DNA is the transforming factor
5
History of DNA Discovery
Alfred Hershey (1908-1977) Martha Chase (1930 -
2003) 1952 - production of new phages due to
DNA, not protein
6
History of DNA Discovery
Search for the Structure of DNA
Experiments 1949 - 1953 Erwin Chargaff (1929-1992)
7
History of DNA Discovery
Search for the Structure of DNA
Rosalind Franklin (1920 - 1958)
8
History of DNA Discovery
Search for the Structure of DNA
James Watson (1928 - ) Francis Crick (1916 - )
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