title: Developmental biology of catfish Heteropneustes fossilis Bloch: changing pattern of RNA synthesis & RNA polymerases during embryonic development.
mesh_terms: D000818:Animals; D001755:Blastocyst / Q000378:metabolism; D004247:DNA / Q000096:biosynthesis; D012321:DNA-Directed RNA Polymerases / Q000378:metabolism*; D005399:Fishes / Q000196:embryology* / Q000378:metabolism; D012313:RNA / Q000096:biosynthesis*
chemical_list: D012313:RNA; D004247:DNA; D012321:DNA-Directed RNA Polymerases