title: Origin of terrestrial polypeptides: a theory based on data from discharge tube experiments.
mesh_terms: D000596:Amino Acids / Q000032:analysis; D002244:Carbon; D002849:Chromatography, Gas; D002852:Chromatography, Ion Exchange; D002855:Chromatography, Thin Layer; D006859:Hydrogen; D006868:Hydrolysis; D009584:Nitrogen; D010455:Peptides / Q000032:analysis / Q000138:chemical synthesis*; D011108:Polymers; D012987:Soil / Q000032:analysis
chemical_list: D000596:Amino Acids; D010455:Peptides; D011108:Polymers; D012987:Soil; D002244:Carbon; D006859:Hydrogen; D009584:Nitrogen