Pre-AP Biology

Chapter 12: DNA & RNA. 1. Understand the experiments that lead up to the discovery of the structure of DNA. 2. What are DNA’s 3 main jobs? 3. What is the structure of DNA? 4. What are the 4 nucleotides of DNA? 5. What is the difference between purines and pyrimidines? 6. What are Chargaff’s rules? 7. Fill in the following table: ................
................