dna

By nat0040

  • Frederick Giffith

    Frederick Giffith
    He injected mice with a deadly strain of a of nmonia and that had been killed by heat and a rough type in nmonia which caused the rat to die because the nmonia to kill the rat.

  • Oswald avery

    Oswald avery
    THe year was 1944 but the day was not known. HE discovered that nucleic acid DNA stores and transmits genetic information.

  • Erwin Chargaff

    Erwin Chargaff
    He helped discover that DNA is a double helix and chargaffs rule.

  • Rosaland Franklin

    Rosaland Franklin
    She found out that you are able to look at DNA using X-ray difraction.

  • Alfred hershey and MAtha Chase

    Alfred hershey and MAtha Chase
    THey used many experiments to prrove that dna is genetic material.

  • Watson and Crick

    Watson and Crick
    THey found the structure of the DNA and it went with acordanace of Chargaffs rule.