Branched RNA.
D006367:HeLa Cells; D006801:Humans; D009694:Nucleic Acid Precursors / Q000235:genetics*; D012322:RNA Precursors; D012326:RNA Splicing; D012333:RNA, Messenger / Q000235:genetics*
D009694:Nucleic Acid Precursors; D012322:RNA Precursors; D012333:RNA, Messenger