Across
- 4. A mutated protons-oncogene
- 6. Tumour cell's nucleus is larger and ? than normal cells
- 7. Tumour cells have different ? on their surface
- 9. ? tumours are cancers
- 11. Tumour cells don't respond to ? regulating processes
- 14. ? tumours are not cancerous
- 18. It happens too ? (hypomethylation)
- 20. The addition of a methyl group
- 22. Mutations that occur after cells are fertilised
- 23. cells can break off MT and spread other parts of the body in the ? or lymphatic system
- 25. BT can cause ? and put pressure on organs
- 27. Tumour ? genes
- 29. If a mutation occurs in proto-oncogenes the gene can become ?
- 30. TSG ? cell division by producing proteins that stop cells dividing or cause them to self-destruct
- 32. Proto?
Down
- 1. Mutations that affect the rate of cell division can cause ? cell division
- 2. Benign tumours are covered in ? tissue to stop cells invading other tissues
- 3. A tumour is a mass of ? cells
- 5. Tumours that invade and destroy surrounding tissue are called ?
- 8. If a mutation occurs in a TSG, the gene is ?
- 10. Proto-oncogenes ? cel division by producing proteins that make cells divide
- 12. Malignant tumours grow ?
- 13. Oestrogen can ? mutations directly into the DNA of certain breast cells
- 14. cancer Increased exposure to oestrogen increases a woman's risk of developing ?
- 15. It happens too ? (hypermethylation)
- 16. Tumour cell divide (by mitosis)more ? than normal cells
- 17. Tumour cells have an ? shape
- 19. The result of uncontrollable cell division
- 21. Tumour cells have a larger ? than normal cells
- 24. oestrogen can stimulate ? cells to divide and replicate
- 26. Some women may be exposed to more ? than others
- 28. Benign tumours grow ? than malignant tumours
- 31. Some benign tumours can ? malignant