CHONSP and RNA world

The Woodstock of Evolution -- The World Summit on Evolution (ScientificAmerican.com): Asked about primordial conditions, participant UCLA paleobiologist William Schopf answered: 'We know the overall sequence of life's origin, from CHONSP (carbon, hydrogen, oxygen, nitrogen, sulfur, phosphorus), to monomers, to polymers, to cells; we know that the origin of life was early, microbial, and unicellular; and we know that an RNA world preceded today's DNA-protein world. "

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