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9 Cards in this Set

  • Front
  • Back
genetic material must:
1. direct the specific actuvities of the cell
2. manufacture extra copies of itself
DNA can:
Can replicate and ochestrate cellular activities by encoding protien synthesis
Friedrich Miescher
Swiss physician/biochemist who was first to analyxe contents of a cell's nuckeus, in 1869. BANDAGE GUY

he discoved DNA as a substance, called it "nuclein"
Acrchibald Garrob
1909, linked inheritance to protien.
Frederick Griffith
1928 microbiologist made obersation; mice with a certain type of pneumonia harbored one of two types of bacteria. Mice injected with one type of bacteria did not develop pneymonia, but mice injected with the other type did. he then used heat on the bad bacteria, which made it harmless, unless the heated-bad bacteria was combined with the good bacteria
Alfred Hershey and Martha Chase
1953 protein coat experiment

proved that DNA is genetic material
Phoebus Levene
1909 discoved ribose and deoxyribose, the difference between DNA and RNA
four bases of DNA
adenine, thymine, guanine, cytosine

A and T

G and C
James Watson and Francis Crick
1953 proved used x-ray diffraction and determine the structure of DNA
(equal amounts of A and t, and G and C)