Ribosome
The ribosome, the site of protein synthesis, is a ribonucleoprotein made up of three RNAs and many protein subunits. In E. coli, the RNAs are 120, 1,542, and 2,904 nucleotides long.

The ribosome, the site of protein synthesis, is a ribonucleoprotein made up of three RNAs and many protein subunits. In E. coli, the RNAs are 120, 1,542, and 2,904 nucleotides long.