title: [RNA world, a key step in the origin of life: inspection from the view point of chemical evolution].
authors: K
authors: K
authors: Kobayashi
authors: H
authors: H
authors: Furuta
authors: H
authors: H
authors: Yanagawa
mesh_terms: D000818:Animals; D005075:Biological Evolution; D002241:Carbohydrates / Q000096:biosynthesis; D002384:Catalysis; D009705:Nucleosides / Q000096:biosynthesis; D009711:Nucleotides / Q000096:biosynthesis; D011687:Purines / Q000096:biosynthesis; D011743:Pyrimidines / Q000096:biosynthesis; D012313:RNA / Q000096:biosynthesis
chemical_list: D002241:Carbohydrates; D009705:Nucleosides; D009711:Nucleotides; D011687:Purines; D011743:Pyrimidines; D012313:RNA