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  2. Phoebus Levene - Wikipedia

    en.wikipedia.org/wiki/Phoebus_Levene

    It was proposed by Phoebus Levene around 1910. Phoebus Aaron Theodore Levene(25 February 1869 – 6 September 1940) was a Russian-born American biochemistwho studied the structure and function of nucleic acids. He characterized the different forms of nucleic acid, DNAfrom RNA, and found that DNA contained adenine, guanine, thymine, cytosine ...

  3. Tetranucleotide hypothesis - Wikipedia

    en.wikipedia.org/wiki/Tetranucleotide_hypothesis

    The tetranucleotide hypothesis of Phoebus Levene [1] proposed that DNA was composed of repeating sequences of four nucleotides. [2] It was very influential for three decades, and was developed by Levene at least into the 1910, and the diagram at the right illustrates the view of Levene and Tipson. [3] In 1940, at the time of Levene's death ...

  4. List of nominees for the Nobel Prize in Chemistry - Wikipedia

    en.wikipedia.org/wiki/List_of_nominees_for_the...

    Nominated jointly with Ph.Levene the only time by M.T.Bogert. [217] Phoebus Levene: February 25, 1869 Žagarė, Lithuania September 6, 1940 New York City, United States 1935 Nominated jointly with G.Ol.Curme Jr. the only time by M.T.Bogert and for Nobel Prize in Physiology or Medicine too [bm] [218] [219] Colin Garfield Fink [220] December 31, 1881

  5. Hershey–Chase experiment - Wikipedia

    en.wikipedia.org/wiki/Hershey–Chase_experiment

    Hershey–Chase experiment. The Hershey–Chase experiments were a series of experiments conducted in 1952 [1] by Alfred Hershey and Martha Chase that helped to confirm that DNA is genetic material. While DNA had been known to biologists since 1869, [2] many scientists still assumed at the time that proteins carried the information for ...

  6. Molecular Structure of Nucleic Acids: A Structure for ...

    en.wikipedia.org/wiki/Molecular_Structure_of...

    t. e. " Molecular Structure of Nucleic Acids: A Structure for Deoxyribose Nucleic Acid " was the first article published to describe the discovery of the double helix structure of DNA, using X-ray diffraction and the mathematics of a helix transform. It was published by Francis Crick and James D. Watson in the scientific journal Nature on pages ...

  7. Erwin Chargaff - Wikipedia

    en.wikipedia.org/wiki/Erwin_Chargaff

    Erwin Chargaff (11 August 1905 – 20 June 2002) was an Austro-Hungarian-born American biochemist, writer, and professor of biochemistry at Columbia University medical school. [1] A Bucovinian Jew who emigrated to the United States during the Nazi regime, he penned a well-reviewed [2][3] autobiography, Heraclitean Fire: Sketches from a Life ...

  8. Rosalind Franklin - Wikipedia

    en.wikipedia.org/wiki/Rosalind_Franklin

    John Finch. Kenneth Holmes. Rosalind Elsie Franklin (25 July 1920 – 16 April 1958) [ 1 ] was a British chemist and X-ray crystallographer whose work was central to the understanding of the molecular structures of DNA (deoxyribonucleic acid), RNA (ribonucleic acid), viruses, coal, and graphite. [ 2 ] Although her works on coal and viruses were ...

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