Across
- 3. pairs with purines
- 4. a nitrogen base starts with c
- 7. how many strands
- 9. is larger than the phosphate and a sugar
- 13. a nickname for DNA
- 16. DNA can be found in the
- 17. a nitrogen base starts with a
Down
- 1. a nitrogen base starts with t
- 2. is smaller than the sugar and is a group
- 5. a nickname for dna (you walk up it)
- 6. pairs with pyrimidines
- 8. hold the nitrogen bases together
- 10. a nitrogen base starts with g
- 11. a building block for dna
- 12. there are 4 types of this
- 14. shape of DNA
- 15. found in the chromosome