time line DNA - Arlet Florensa

  • Period: to

    Friedrich Miescher

    He described a completely new nuclear molecule that, unlike proteins, contained large amounts of phosphorus.
  • Period: to

    Phoebus Levene

    He identified that DNA is a nucleotide formed by a nitrogenous base, a sugar and a phosphate.
  • Period: to

    Levene's Tetranucleotide

    He proposed that DNA was composed of repeating sequences of four nucleotides.
  • Period: to

    Frederick Griffith

    He discovered bacterial transformation
  • Period: to

    MacLeod and McCarty

    They conducted a series of experiments to confirm whether DNA is the basis of genetic material.
  • Period: to

    Erwin Chargaff

    You will discover two rules that will help you discover the double helix of DNA.
  • Period: to

    Alfred Hershey and Martha Chase

    They conducted a series of experiments to confirm whether DNA is the basis of genetic material.