DNA historic scientists
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James Watson and Francis crick
Won the Nobel prize for their work (1962)
James Watson and Francis crick
Constructed a 3-D model of a DNA molecule
James Watson and Francis crick
Proved that DNA is a double helix shape
James Watson and Francis crick
Work helped to explain how DNA carries the genetic info and how it can be copied
James Watson and Francis crick
“Stole” data from Rosalind franklin
James Watson and Francis crick
Nitrogenous bases must pair in the center through hydrogen bonds
Erwin Chargaff
Determined that the % of guanine and cytosine are almost equal in any sample of DNA
Erwin Chargaff
Determined that the % of adenine and thymine and almost equal in any sample of DNA
Linus Pauling
Proposed that DNA had a triple helix with the bases on the outside of the molecule—- he was incorrect cus he placed the phosphate groups n the center of the helix and bases on the outside of the molecule
Rosalind Franklin
Used x-ray crystallography to take picture of DNA
Rosalind Franklin
Determined the DNA molecule has a helical shape
Rosalind Franklin