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You are of course entirely correct to point out hydrothermal vents as an ideal location for long base RNA ligation. In Hadean times I imagine hydrothermal vents would have been much more common. One of the issues often raised is the statistical chance for exactly the right combination of bases to form. (And life started early!) It just struck me that the whole of the oceans might have been a suitable vat for this particular (random) chemistry experiment, greatly increasing the chances of early success.
EDIT (random) added lest "intentionalists" take heart.
Permalink Tue, 23 Dec 2008 13:23:00 UTC | #291195