I was think about buying a 1999-2005 Silver Pf69 Ultra Cameo State Quarters in either Pcgs or Ngc. I was wondering what grading service is the best out of...
There are two different locations where ribosomes can be found in a  cell. These two locations are suspended in the cytosol and attached  to the endoplasmic reticulum.
Ribosomes can also be found in mitochondria and chloroplasts of eukaryotic cells. Initiation of Protein Synthesis. Ribosomes synthesize proteins in both prokaryotic and eukaryotic cells, but the process is initiated differently in each cell type.