1. DNA Power Point

3. Discovery of the shape of DNA
Watson and Crick Discovered DNA is a Double Helix or “twisted ladder”

4. Function / Job of DNA
Provides instructions for making proteins

5. Location of DNA (in Eukaryotic cells)
Nucleus of a cell in the chromosomes But does that mean prokaryotic cells do not have DNA?...

7. What is DNA made of? The monomer (base) is a Nucleotide:
Sugar ( deoxyribose)
Phosphate
Nitrogen base

8. Nucleotide

9. Nitrogen Bases

10. The scientist Chargaff discovered that amount of pairs of nucleotides are always the same A=T G=C

11. What holds the nitrogen bases together?
Hydrogen bonds