EOG8ZGRSS GO:0004652 33/101 polynucleotide adenylyltransferase activity molecular_function "Catalysis of the template-independent extension of the 3'- end of an RNA or DNA strand by addition of one adenosine molecule at a time. Cannot initiate a chain 'de novo'. The primer, depending on the source of the enzyme, may be an RNA or DNA fragment, or oligo(A) bearing a 3'-OH terminal group." [EC:2.7.7.19] EOG8ZGRSS GO:0005634 33/101 nucleus cellular_component "A membrane-bounded organelle of eukaryotic cells in which chromosomes are housed and replicated. In most cells, the nucleus contains all of the cell's chromosomes except the organellar chromosomes, and is the site of RNA synthesis and processing. In some species, or in specialized cell types, RNA metabolism or DNA replication may be absent." [GOC:go_curators] EOG8ZGRSS GO:0043631 32/101 RNA polyadenylation biological_process "The enzymatic addition of a sequence of adenylyl residues at the 3' end of an RNA molecule." [GOC:jl] EOG8ZGRSS GO:0003723 32/101 RNA binding molecular_function "Interacting selectively and non-covalently with an RNA molecule or a portion thereof." [GOC:mah] EOG8ZGRSS GO:0006378 1/101 mRNA polyadenylation biological_process "The enzymatic addition of a sequence of 40-200 adenylyl residues at the 3' end of a eukaryotic mRNA primary transcript." [ISBN:0198506732]