title: Evolution of biocatalysis 2. Nicotinamide and/or flavin-containing RNA molecules as possible pre-genetic-code replicating oxido-reductases.
mesh_terms: D005075:Biological Evolution; D005415:Flavins; D005815:Genetic Code; D008957:Models, Genetic; D009536:Niacinamide; D009690:Nucleic Acid Conformation; D000069497:Origin of Life; D010088:Oxidoreductases / Q000235:genetics*; D012313:RNA / Q000235:genetics*
chemical_list: D005415:Flavins; D009536:Niacinamide; D012313:RNA; D010088:Oxidoreductases