Name __________________________________
THE STRUCTURE OF DNA
Period _______ Date ___________ Seat _____
DNA:
Nucleotide:
Nucleotide Structure
DISCOVERIES THAT REVEALED THE STRUCTURE OF DNA
Erwin Chargaff’s rule:
Rosalind Franklin’s Photograph (X-ray diffraction technique)
Her photo revealed three things:
1.
2.
3.
Photo 51
Nitrogenous bases (four types in DNA)
James Watson and Francis Crick (Nobel prize winners)
Watson & Crick figured out the
structure of DNA in 1953 by:
1.
2.
3.
4.
1
Name __________________________________
THE STRUCTURE OF DNA
Period _______ Date ___________ Seat _____
Double helix:
Base Pairing:
Antiparallel Strands:
Fantastic Fact
2