الفهرس 
ContentsOnly 14 pages are availabe for public view
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Abstract
Mitochondria are found in all eukaryotic cells,size,chape and number characteristics appear to change in response to metabolism.in animal cells,the mitochondrion is a rod-shaped particles.1.5-2um length,0.5-1um diameter,1\20size of the cell nucleus size to a e.coli bacterial cellliver cell contains close to a thousand mitochonondria,cell characteristic by a high degree of aerobic(oxygen dependent)metabolism.skeletal muscle cell contains only a few mitochondria,cell participating in anaerobic(not oxygen dependent)metabolism.