Why does DNA precipitate in alcohol?

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Tags

1. #solution
2. #positive
3. #polar
4. #charged
5. #highly
6. #groups
7. #usually
8. #enough
9. #stable
10. #precipitation
11. #strong
12. #becomes
13. #happens
14. #ethanol
15. #ionic
16. #attraction
17. #composes
18. #between
19. #backbone
20. #present
21. #electrical
22. #bonds
23. #phosphate
24. #added