Paper 1 Revision (Triple only)

1. The net movement of water particles from a dilute to a concentrated solution through a partially permeable membrane
4. A pathogen that causes food poisoning
7. The part of blood responsible for forming clots
9. A small ring of DNA found only in bacterial cells
11. The type of cell produced when a myeloma cell is fused with a lymphocyte
13. Drugs that reduce cholesterol levels
17. Evaporation of water through the stomata
18. An undifferentiated type of cell
19. A small amount of dead or inactive pathogen used to induce immunity
20. The substance that neutralises stomach acid in the small intestine; produced by the liver
21. The molecule produce in respiration that is required for active transport
23. The polymer of glucose used in plant cell walls

2. How much larger an object appears
3. A drug with no effect
5. The type of arteries that supply the heart muscle itself with blood
6. The technique used to maintain sterile conditions
7. The process of white blood cells engulfing pathogens
8. The process by which bacteria divide
10. A type of tumour that is not cancerous
12. The minimum distance at which two particles can be distinguished from each other
14. The type of arteries and veins that lead to/away from the lungs
15. The organ that produces all digestive enzymes
16. The cell that carries out photosynthesis in a plant
22. One product of lipid digestion