Question

ignore the top please, but i need the answers to the bottom

Answer 1

Answer:

7. Adenine (A), nitrogenous bases

8. cytosine

9. nucleotides

10. purine

11. double helix

12. genetic material

13. single-ring

14. double-ring

15.  nucleic acids

16. chromosome

Hope this helps :)

P.S. plz ask if you need any clarification