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| account for 75% of all skin cancers. cause few deaths as they rarely metastasize. easy to detect. |
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| arises in the pigmented cells. 5%. more dangerous because of there ability to metastasize--the tumor sometimes hasn't even been found yet. |
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| shortest wavelength componenent of sunlight. It has a lot of energy so it can inflict damage onto DNA. |
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| higher energy than UVA. responsible for carcinogenic properties of sunlight. most of it is absorbed by ozone in atmosphere |
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| CFCs. used as refrigerants,etc. they react with and destroy ozone molecules. |
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| adjacent pyrimidines are covalently bonded via radiation. |
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| reddening and peeling of the skin due to cell apoptosis--aka protection of our body to get rid of DNA damaged cells. |
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| family of brown pigments that are synthesized by melanocyte cells present in the skin. |
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| EM radiation with wavelength shorter than UV. they can travel through body tissue except bone |
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| radiation emitted by radioactive element that come from unstable atomic nucleus. |
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| electrons- negatively charged. |
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| describes how much energy is actually absorbed |
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| unit for measuring the relative biological effectiveness. |
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| radioactive metal that forms tiny particles that may be inhaled and become lodged in person's lungs. decay causes alpha particles to form. |
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| any atom or molecule containing an unpaired electron. |
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| RF. longer than microwaves. very little energy. ppl think that it causes brain cancer--proximity of cell phone to brain so often. |
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