chapter 13 - dna Flashcards
transformation
when one strain of bacteria is changed by the genes of another strand of bacteria
bacteriophage
virus that infects bacteria
scientist griffith
studied smooth and rough bacteria and their effect on mice
scientist avery
did more experiment on how S and R strain bacteria affected each other when dead/alive
scientists hershey + chase
studied bacteriophages
scientist chargaff
measured amounts and relationships of the 4 bases in species
scientist franklin
used xray crystallography to find double helix of DNA
scientists watson + crick
used franklin’s data to determine final shape of DNA
DNA replication
DNA is replicated during S phase; each strand of original DNA is paired with a new strand
DNA polymerase
the enzyme that performs DNA replication