1. DNA

2. Introduction DNA = Deoxyribonucleic Acid
Genetic blueprint of an individual
All living things have DNA
Controls cell activities
Located in the nucleus

3. History Discovered by Watson and Crick (1953)

4. Structure DNA is “Double Helix” Spiral Double Stranded Twisted Ladder

5. Structure Made up of smaller units called nucleotides Phosphate
Nitrogenous Base
5 Carbon Sugar

6. Nitrogenous Bases
4 types
A, T, C, G
A bonds with T
C bonds with G

7. Nucleotides fit together to Make DNA

8. DNA Building Contest Work in Partners Bring supplies
Construction must begin in class (not before)
Time limit – 40 minutes
Judging will take place during last part of class