BioScience Dictionary

 
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Found Mitochondrion 1 time.

Displaying results 1 to 10.

1. Mitochondrion (pl. mitochondria)
An organelle found in eukaryote s responsible for the oxidation of energy-rich substances. They are oval and have a diameter of approximately 1.5 micrometers and width of 2 to 8 micrometers. Mitochondria have their own DNA and are thought to have evolved when an early eukaryote engulfed some primitive bacteria , but instead of digesting them, harnessed them to produce energy. Offspring inherit their mothers' mitochondria, and thus mitochondrial DNA has been useful in tracing human lineages. Compare chloroplast .