title: Differentiation of the guinea pig eye: nuclear ultrastructure, template activity and DNA content.
mesh_terms: D000818:Animals; D002467:Cell Nucleus / Q000378:metabolism / Q000648:ultrastructure; D002843:Chromatin / Q000648:ultrastructure; D004247:DNA / Q000378:metabolism*; D006168:Guinea Pigs; D012313:RNA / Q000096:biosynthesis*; D012160:Retina / Q000378:metabolism / Q000648:ultrastructure*
chemical_list: D002843:Chromatin; D012313:RNA; D004247:DNA