Here's why:
* Ribosomes are the protein factories of the cell. They read the genetic code from messenger RNA (mRNA) and use it to assemble amino acids into polypeptide chains, which fold into functional proteins.
* Ribosomes are found in all living cells, both prokaryotic and eukaryotic.
* They can exist freely in the cytoplasm or be attached to the endoplasmic reticulum (ER) for protein synthesis destined for secretion or membrane insertion.
While other organelles play roles in protein processing and transport, ribosomes are the fundamental component directly involved in protein synthesis.
