2. Johannes Friedrich
Miescher (13 August
1844 – 26 August
1895) was a Swiss
physician and
biologist. He was the
first researcher to
isolate and
identify nucleic acid.

6. Phosphate
Nitrogenous
Base

8. This molecule is an Acid. That means that this substance in water
expels or produces protons (H+)

9. 1
23
4
5

10. means
without oxygen
DEOXYRIBOSE

12. 1
2
3
4
5
6

13. RIBOSE

17. A
G
A
T
T
C
DNA or RNA?

18. A
U
A
U
A
C
DNA or RNA?

19. paper
A
G
C
T