1. DNA Structure and Replication

2. Outline  DNA Structure Nitrogenous Bases Nucleotides  DNA Replication Semi Conservative Enzymes

3. Remember the nitrogenous bases?

4. What is a Nucleotide?

5. DNA Structure…YOU TRY!!! Using your nucleotides, try and figure out how DNA is put together!

6. Watson and Crick Model

9. Why DNA replication?

11. DNA Replication

12.  Semi-conservative

13. What Makes Replication Happen? 1. Helicase Helicase unzips the DNA at the REPLICATION FORK

14. What Makes Replication Happen? 2. DNA Polymerase DNA Polymerase adds nucleotides to make new DNA

15. Eukaryotes Prokaryotes

16. DNA Replication Video http://www.youtube.com/watch?v=zdDkiR w1PdU&feature=related YouTube: DNA Replication Animation by interact Medical