Polyadenylation of mRNA precursors.
D011061:Poly A / Q000096:biosynthesis* / Q000378:metabolism; D012322:RNA Precursors / Q000378:metabolism*; D012323:RNA Processing, Post-Transcriptional; D012333:RNA, Messenger / Q000096:biosynthesis*; D012261:Ribonucleoproteins / Q000378:metabolism; D017411:Ribonucleoproteins, Small Nuclear; D013539:Simian virus 40 / Q000235:genetics; D014158:Transcription, Genetic
D012322:RNA Precursors; D012333:RNA, Messenger; D012261:Ribonucleoproteins; D017411:Ribonucleoproteins, Small Nuclear; D011061:Poly A