Notes 11-23-09

Chargaff’s Rules-A=T-G=C

X-Ray diffraction: Rosalind Franklin

Watson and Crick

DNAComplimentary Base Pairing-Adenine – Thymine-Guanine – Cytosine

--basis for DNA function-5 prime end – phosphate-3 prime end – sugar

DNA Replicaiton-During DNA replication, base pairing enables existing DNA strands to serve as templates for new complimentary strands

-Nucleotides can only be added to the three-prime end

Eukaryotic Chromosomes

DNA Repair