Cancer Terminology 0.0 / 5 ? BiologyASEdexcel Created by: Corrine SCreated on: 11-05-13 15:08 Mutation Changes to the base sequence of DNA 1 of 11 Mutagen An agent that causes mutations. E.g. x rays, ultraviolet rays 2 of 11 Tumour A mass of abnormally growing cells 3 of 11 Malignant (Of tumour) invades normal tissues and metastises 4 of 11 Benign (Of tumour) no invasion of surrounding tissue 5 of 11 Metastasis Process of tumours splitting to form secondary tumours 6 of 11 Proto-oncogene Genes that produce proteins that stimulate cell cycle 7 of 11 Oncogene Mutated gene that produces uncontrolled amounts of proteins that stimulate cell cycle. Allele is dominant 8 of 11 Tumour Suppressor Genes Genes that produce chemical that suppress cell cycle. Act as brake on cell division 9 of 11 Melanoma A cancer of the cells that produce melanin 10 of 11 Melanin A pigment in the skin that acts as a natural sunscreen 11 of 11
Comments
No comments have yet been made