title: The poly(A) segment of mRNA: (1) Evolution and function and (2) The evolution of viruses.
mesh_terms: D005075:Biological Evolution; D004267:DNA Viruses; D008970:Molecular Weight; D011061:Poly A; D012328:RNA Viruses; D012333:RNA, Messenger; D014780:Viruses
chemical_list: D012333:RNA, Messenger; D011061:Poly A