What does uv light do to a cell

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Q1. Environmental Carcinogens mutagens and other environmental carcinogens UV light organic solvents high energy radiation asbestos tobacco smoke others factors? What does UV light do to a cell?

Q2. Progressive (exponential) Elderly patients have ragged red fibers accumulating Elderly patients accumulate mtDNA damage so how do these `symptoms" of aging happen? What are the free radicals? Where do they come from? What damage do they do? What are the effects of this damage? What can we do? What are the oxygen free radicals? Free radicals are when oxygen has an unpaired electron what damage can they do? Primarily they can react with deoxyribose and DNA bases where do they come from? These free radicals result from the `dumping" of electrons from the ETC onto free oxygen keep in mind this? What is the evidence that this helps cause aging?

Reference no: EM137334

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