Posts Tagged ‘natural selection’

Sometime Shortly After Abiogenesis

Cells also contain mitochondria, and this is one of the puzzles of early evolution. Mitochondria are symbiotic, originally a form of self-sufficient bacteria which when integrated with eukarytic cells gain and provide benefit to the host cell. Mitochondria have their own set of DNA, and this DNA provides the basis for all of its key structures which produce not only their structure, but the unique tools that the mitochondria use to convert sugar into the energy it shares with its host.

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