Assertion: nucleolus's rna | /r/HasProperty | assembled with many ribosomal proteins
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Source sentences:
text: The initial 47S ribosomal RNA (rRNA) precursor transcript is subsequently cleaved to form the mature 28S, 18S and 5.8S rRNAs, post-transcriptionally modified through interaction with small nucleolar ribonucleoproteins (snoRNPs) and additional protein-processing factors and, finally, assembled with the many ribosomal proteins before interaction with the export machinery and transport to the cytoplasm (Fig. 1).