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A Terrible Case of Mistaken Identity

Mitochondria's Bacterial Past Is Problem for Failing Hearts

By Anette Breindl
Science Editor

Monday, April 30, 2012
Mitochondria, the energy-producing centers of cells, very likely got their start more than a billion years ago as bacteria that gradually went from a symbiotic relationship to a full-fledged part of the cells they colonized.

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