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super great and radical

By 2cool4you
  • Phoebus Levene

    Phoebus Levene

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    found that DNA contained adenine, guanine, thymine, cytosine, deoxyribose, and a phosphate group
  • Fredrick Griffith

    Fredrick Griffith

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    "transforming principle"; first evidence linking DNA to heredity in cells
  • Erwin Chargaff

    Erwin Chargaff

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    adenine almost equal to thymine, guanine almost equal to cytosine; A=T and G=C; Chargaff's Rule
  • Oswald Avery

    Oswald Avery

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    genetic information is contained in the DNA of cells
  • Linus Pauling

    Linus Pauling

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    DNA is a triple helix
  • Maurice Wilkins

    Maurice Wilkins

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    DNA had a helical structure
  • Alfred Hershey and Martha Chase

    Alfred Hershey and Martha Chase

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    only DNA of a virus needs to enter a bacterium to infect it; proved genes are made of DNA
  • Rosalind Franklin

    Rosalind Franklin

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    discovered the existence of the A and B forms of DNA, helical structure of DNA has two strands, sugar-phosphate backbone of DNA lies on the outside of the molecule
  • James Watson and Frances Crick

    James Watson and Frances Crick

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    discovered the structure of DNA