Biological And Physical Process Of Aging

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Miscellaneous

 

Written by:

Lori M

 

Date added:

November 20, 2012

 

Level:

University

 

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No of pages / words:

3 / 572

 

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2085 times

 

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Consequently, when these proteins breakdown, the skin will sag, and the muscle will lose its firmness. Another sign of passive aging is the breakdown of lipids at the biochemical level. As aging membranes leak during this lipid degeneration, a fatty, brown pigment known as lipofuscin accumulates. As this happens, the mitochondria, or the "powerhouse of the cell" begins to break down, thereby decreasing the amount of energy that is being supplied to the cell...
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As this happens, the mitochondria, or the "powerhouse of the cell" begins to break down, thereby decreasing the amount of energy that is being supplied to the cell. This cellular degeneration may be set into action by highly reactive chemicals known as free radicals. These molecules have an unpaired electron in the outermost valence shell...
displayed 300 characters

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