Control of Gene Expression

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Across:

1. A cell's physical and chemical state. (9)
3. The type of bond which links amino acids. (7)
5. Oxygen transporting pigment found in blood. (11)
8. The cutting of a single polypeptide by enzymes. (8)
9. Non-coding region of DNA. (6)
11. a triplet of bases complementary to a codon. (9)
14. Base found only in RNA. (6)
15. A chain of many amino acids. (11)
16. Building blocks of proteins. (5,5)
18. Technique used to separate components of a mixture depending on their solubility. (14)
19. Coding region of mRNA. (4)
20. Site of protein synthesis. (9)
21. Chemical meesengers produced by protein synthesis. (8)
22. Chemicals used to speed up biochemical reactions. (7)
23. Components of the blood used to fight off disease, made by protein synthesis. (10)

Down:

2. Molecules made using RNA. (8)
4. The second stage of protein synthesis. (11)
6. Chemical used to make proteins. (3)
7. Bases found in groups of three. (8)
10. Liquid used to move chemicals in chromatography. (7)
12. First stage of protein synthesis. (13)
13. Chemical composed of carbohydrate and protein. (12)
17. The genetic constitution of a cell. (8)
18. A triplet of bases on mRNA. (5)