Xmas Biology

2. type of monomer used to make a polypeptide (5,4)
4. number of stomachs a reindeer has
7. type of feedback associated with some aspects of climate change where one change leads to something else getting worse and causes the original change to get worse
9. conversion of DNA code into an mRNA molecule
13. physical, non-living factors affecting an organism
14. plant with genus name Ilex
17. technique using electrical current running through a gel to separate dna fragments
21. stacks of these are found in the grana of chloroplasts
22. type of reactions taking place in the electron transport chain
23. greenhouse gas with global warming potential over 20 times that of CO2

1. cycle of the heart
3. short repeating section of DNA used in dna fingerprinting
5. enzyme used to catalyse carbon fixation in the Calvin cycle
6. small invertebrates which hatch in salt water at an optimal temperature (5,6)
8. proper name for white blood cell
10. word used to describe the change in communities of organisms in a habitat over time
11. type of animal carrying mary to bethlehem
12. chemicals that amongst other things promote vasodilation at the site of an infection
15. technique used to gather evidence about climate change by measuring size of tree rings over time
16. word used to describe long-term carbon store
18. enzyme used in pcr to amplify DNA
19. temperature at which enzymes work best
20. type of competition which occurs between species