Life’s First Molecule Was Protein, Not RNA, New Model Suggests 

Which mattered first at the dawn of life: proteins or nucleic acids? Proteins may have had the edge if a theorized process let them grow long enough to become self-replicating catalysts. See it on Scoop.it, via Viruses and Bioinformatics from Virology.uvic.ca
Life’s First Molecule Was Protein, Not RNA, New Model Suggests 
Source: Viral Bioinformatics

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