Synonym for ribonucleoprotein ... <protein> Complexes of RNA and protein involved in a wide range of cellular processes. ... Besides ribosomes (with which ribonucleoprotein was originally almost synonymous), in eukaryotic cells both initial RNA transcripts in the nucleus (hnRNA) and cytoplasmic mRNAs exist as complexes with specific sets of p... Found on http://www.encyclo.co.uk/local/20973