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May 20 2013

RNA capable of catalyzing electron transfer on early earth with iron's help, study says


A new study shows how complex biochemical transformations may have been possible under conditions that existed when life began on the early Earth.

The study shows that RNA is capable of catalyzing electron transfer under conditions similar to those of the early Earth. Because electron transfer, the moving of an electron from one chemical species to another, is involved in many biological processes including photosynthesis, respiration and the reduction of RNA to DNA the study's findings suggest that complex biochemical transformations may have been possible when life began.

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