RNA is synthesized at the nuclear cage.
D002451:Cell Compartmentation; D002458:Cell Fractionation / Q000379:methods; D002467:Cell Nucleus / Q000378:metabolism* / Q000648:ultrastructure; D006367:HeLa Cells; D046911:Macromolecular Substances; D012313:RNA / Q000096:biosynthesis*; D012332:RNA, Heterogeneous Nuclear / Q000096:biosynthesis; D014158:Transcription, Genetic
D046911:Macromolecular Substances; D012332:RNA, Heterogeneous Nuclear; D012313:RNA