title: How living things began.
mesh_terms: D000596:Amino Acids / Q000138:chemical synthesis; D001671:Biochemistry / Q000266:history; D003486:Cyanides; D004247:DNA / Q000096:biosynthesis; D005557:Formaldehyde; D049672:History, 19th Century; D049673:History, 20th Century; D008715:Methionine; D008967:Molecular Biology; D009005:Monosaccharides; D000069497:Origin of Life; D010710:Phosphates; D011506:Proteins; D011687:Purines / Q000138:chemical synthesis; D011743:Pyrimidines / Q000138:chemical synthesis; D000644:Quaternary Ammonium Compounds; D012313:RNA / Q000096:biosynthesis; D012266:Ribose / Q000138:chemical synthesis; D013861:Thiocyanates
chemical_list: D000596:Amino Acids; D003486:Cyanides; D009005:Monosaccharides; D010710:Phosphates; D011506:Proteins; D011687:Purines; D011743:Pyrimidines; D000644:Quaternary Ammonium Compounds; D013861:Thiocyanates; D005557:Formaldehyde; D012313:RNA; D012266:Ribose; D004247:DNA; D008715:Methionine