Noun
ribonucleoprotein (plural ribonucleoproteins)
(biochemistry) Any nucleoprotein that contains RNA.
The phrase "microsomal particles" does not seem adequate, and "ribonucleoprotein particles of the microsome fraction" is much too awkward. Source: Internet
The present confusion would be eliminated if "ribosome" were adopted to designate ribonucleoprotein particles in sizes ranging from 35 to 100S. Source: Internet