Crystallography Molecular Mystery

Researchers University of Leicester is trying to understand & soive long lasting molecular structure of a vital biological chemical.Boils down to a simple hydrogen atom.Controversy surrounds form of a enzyme heme or haem with an iron atom.Creating an oxidation atom ( O ).

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Across

3. proton

4. atom

11. crystalline

12. structure

16. chemists

18. important

19. enzyme

21. biochemical

23. crystallography

25. cells

Down

1. one

2. development

5. oxygen

6. key

7. iron

8. hydrogen

9. haemoglobin

10. temperatures

13. enzymes

14. idenifying

15. how

17. compound

19. oxidised

20. rays

22. down

24. standing

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