Across
- 3. when a white blood cell is fused with a cancer cell
- 6. single celled organism that causes malaria
- 9. proteins made by white blood cells to destroy pathogens
- 11. a protein on the surface membrane of a cell that is recognised as self or non self
- 14. culture medium used to grow bacteria
- 16. something needed for photosynthesis to occur at it's optimum rate (two words no space)
- 17. type of pathogen that causes rose black spot
- 18. general term for something that can cause cancer
- 19. an apparent link or relationship between two factors
Down
- 1. a mineral plants need to make proteins
- 2. a microorganism that can cause disease
- 4. how bacteria replicate (two words no space)
- 5. type of barrier for defence that includes bark, waxy cuticle and leaf fall
- 7. uncontrolled cell growth
- 8. when a disease can be transmitted from one organism to another
- 10. tumours which are contained in one area and do not invade other tissues
- 12. type of pathogen that causes measels
- 13. a mineral plants need to make chlorophyll
- 15. useful product of photosynthesis
- 20. a test for starch