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8 Cards in this Set
- Front
- Back
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Chemicals that cause cancer
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*initiators are mutagens, it increase rates.
*tumor promoters |
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Tumor promoters promote formation of tumor cells.
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reducting one's exposure to promoters reduces risk of cancer.
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how one is exposed to both initiators and promoters determines whether tumors will result
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* 1st exposed to initiator, then regular exposure to promoters.
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Chemicals that cause cancer; hi to lo
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diet>tobacco>infection>sexual behavior>...pollution...
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tumor cells have many mutations in them, but a normal cell doesn't.
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some genes are important in cancer: P53 and RAS
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Cancer chemotherapies (type: antimetabolites)
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inhibit DNA synthesis eg 5' fluorouracil
* drugs inhibit DNA synthesis or transcription of DNA |
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chemo is used to kill rapid growing cells not slow cells
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true
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cancer is caused by chemicals or radiation or viruses
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true
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