Abstract
In this paper Oparin’s original concept of the primordial ocean being a “primeval broth” in which “protobionts” have evolved is reviewed on the basis of recent and previous data on the formation and decomposition of peptides and amino acids. It will be shown that peptides and amino acids could never reach significant concentrations in the ocean. Locally, in pools of transient existence, however, amino acids, peptides, and other molecules of biological significance could have been concentrated by various geological processes to yield a “primeval broth” in which prebiotic systems such as proteinoid microspheres and coacervate droplets, could have evolved.
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