Prokaryotic ribosome Vs Eukaryotic ribosome 80s MW2500,000 MW4,200,000 50s 30s 60s 405 MW1,600,000 MW900,000 MW2,800000 MW1400000 5S rRNA 23S rRNA 16S rRNA 5S rRNA 28S rRNA 5.8S rRNA 18S rRNA 160 1540 nucleotides nucleotides nucleotides nucleotides nucleotides 4700 34 proteins 21 proteins 49 proteins 33 proteins PROCARYOTIC RIBOSOME EUCARYOTIC RIBOSOMEProkaryotic ribosome Vs. Eukaryotic ribosome