DNA Power Point
Discovery of the shape of DNA Watson and Crick Discovered DNA is a Double Helix or “twisted ladder”
Function / Job of DNA Provides instructions for making proteins
Location of DNA (in Eukaryotic cells) Nucleus of a cell in the chromosomes But does that mean prokaryotic cells do not have DNA?...
What is DNA made of? The monomer (base) is a Nucleotide: Sugar ( deoxyribose) Phosphate Nitrogen base
Nucleotide
Nitrogen Bases
The scientist Chargaff discovered that amount of pairs of nucleotides are always the same A=T G=C
What holds the nitrogen bases together? Hydrogen bonds