Assertion: nucleic acid's sequence | /r/CapableOf | show plausible route
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text: Chemists led by John Sutherland at the University of Cambridge in the United Kingdom reported that they had discovered that relatively simple precursor compounds called acetylene and formaldehyde could undergo a sequence of reactions to produce two of RNA’s four nucleotide building blocks, showing a plausible route to how RNA could have formed on its own—without the need for enzymes—in the primordial soup.