<span>Rough endoplasmic reticulum appears rough due to the presence of ribosomes. </span><span> However, the ribosomes can be released from the endoplasmic reticulum, and end up floting in the cytosol, since they are not a stable part of this organelle. </span>
<span /><span>Ribosomes can convert the mRNA into proteins in a process called translation. </span>