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BTW, mitochondria have molecules all over their surface that spin constantly at about 100 to 200 revolutions per second. (Now I know why my ears ring constantly.)
How far back did this symbiotic relationship go ...
The oldest known fossilized prokaryotes were laid down approximately 3.5 billion years ago, only about 1 billion years after the formation of the Earth's crust... ...sorry, you cannot view external links. To see them, please
REGISTER or LOGINQuote from: ATremor on 05/01/2010 21:25:37 That fact that we functioned without them is boggling.Humans were never "without them".
That fact that we functioned without them is boggling.