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Quiz 3 Key - c Aging(e.g skin is related to radicals that...

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BME 201, Quiz 3, Aug. 30, 2011 Name:__________ Radicals and Biology: 1) Name three biological processes or diseases (mentioned in class) where radicals play a significant role. a) Stroke caused by blood clots that are related to a burst of radical chemistry (including reactive oxygen species) b) Macrophages use radicals to kill bacteria.
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Unformatted text preview: c) Aging (e.g. skin) is related to radicals that cross-link proteins (thus making skin tougher and older) 2) How does the human body deal with unwanted radicals (as discussed in class) ? Enzymes (Enzymes can minimize free radical damage and repair some damage already done)...
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