Complete Clue List
Across
1. Northern Hemisphere summer month
4. An enzyme that catalyses the splitting of proteins
9. Prayerful insect?
11. Setting
12. Pacific ring
14. Small passerine birds
15. Organic compounds that form proteins (5,5)
17. Process for generating offspring
20. Abnormally high blood pressure
23. A unicellular organism such as a bacterium
25. North African dry gully
26. Consume
28. Individuals withdrawing from social groups
29. Gorge
30. Take on again
31. A count of the population in an area
Down
1. Coil for inducing voltage
2. Set of genetic material
3. Navigate
5. Restructure
6. Equivalent
7. Of the body's main artery
8. Concern for one's own interests
10. Red, Yellow or Black
13. Part of the body protecting it from foreign substances (6,6)
16. Having more than one mate at a time
18. Essential compounds required in small quantities
19. Substances stimulating an immune response
21. Arachnid
22. Outermost region of the sun
24. Auricle
27. Zero balance with empty container