最初

证据表明 RNA 是最初的自合成分子

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John Rennie is a former editor in chief of 大众科学.

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大众科学 Magazine Vol 261 Issue 3This article was originally published with the title “In the Beginning” in 大众科学 Magazine Vol. 261 No. 3 (), p. 28
doi:10.1038/scientificamerican0989-28b
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