Mitochondria occupy a substantial portion of the cytoplasmic volume of eucaryotic cells, and they have been essential for the evolution of complex animals. Without mitochondria, present day animal cells would b dependent on anaerobic glycolysis for all of their ATP.
Localization of mitochondria near sites of high ATP utilization in cardiac muscle and a sperm tail.
Each mitochondria is bounded by two specialized membranes, which have very different functions.
May 14th, 2015
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