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Biological And Physical Process Of Aging
Part 1 of Paper
....ogether. The breakdown of one structure will ultimately affect the function of others. The medical field of gerontology deals with examining the biological changes of aging, both passive and active, that occur at the molecular and cellular levels. This paper will seek to explore those changes, and the affect that the.... Part 2 of Paper
....ighly reactive chemicals known as free radicals. These molecules have an unpaired electron in the outermost valence shell. This causes the molecule to grab electrons from other molecules, setting into motion a chain reaction that destabilizes them, and causes death of the cell. These free radicals are the normal by-product of metabolism, and can also form due to exposure to radiation or toxic chemicals. Enzymes that usually inactivate these free radicals diminish in later years, thus increasi.... |
| Number of words: 645 - Approximate pages: 3 |
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