Cancer Biology Topic 3 0.0 / 5 ? BiologyDNA, genetics and evolutionASEdexcel Created by: BigJaredStrikesAgainCreated on: 01-03-19 09:51 chemicals that damage DNA due to physical factors or chemicals carcinogens 1 of 15 codes for proteins that stimulate the transition from one cell cycle to the next oncogene 2 of 15 tumour suppressor protein which stops the cell cycle by inhibiting enzymes at G1/S transition, preventing the cell from copying its DNA p53 3 of 15 produces suppressor gene which stops the cell cycle tumour suppressor genes 4 of 15 mutations on this gene makes a person more susceptible to breast cancer BRCA1 5 of 15 where the carcinogens in smoking are mostly tar 6 of 15 damages DNA in skin cells UV light 7 of 15 destroy radicals antioxidants 8 of 15 contribute to aging and cancer by damaging DNA radicals 9 of 15 can cause cancers but can be vaccinated against virus infections 10 of 15 can cause liver cancer hepatitis 11 of 15 can cause cervical cancer papilloma virus 12 of 15 what can be picked up by the virus from the host oncogenes 13 of 15 normal gene of this produces a protein that repairs DNA BRCA1 14 of 15 more likely to occur in tissues with a high rate of mitosis cancer 15 of 15
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