Across
- 1. central ______ is DNA to RNA to Proteina
- 4. one category of bases; A and G
- 7. used xray diffraction techniques to detemine DNA was a helix
- 10. sugar found in DNA
- 13. used bacteriophages to confirm DNA was the genetic material
- 14. one category of bases; C and T
- 15. adjective used to describe bases
Down
- 2. concluded a chemical substance from one cell is transforming another cell
- 3. one of the scientists who said transformation needs DNA
- 5. description of each side of the "ladder"; one side determines the other
- 6. one aof two scientists who first described the structure of DNA
- 8. building block of DNA
- 9. type of bond that holds base pairs together
- 11. determine specific ratios of chemicals found in DNA
- 12. one of two scientists who first described the structure of DNA
- 14. group found on a nucleotide; not the base or sugar