November 21, 2020


These help copy RNA, which is essential for just about everything.

Polyribosome (polysome) An aggregate of ribosomes in association with a single messenger RNA molecule during the translation process of protein synthesis. In eukaryotes, polyribosomes are attached to the surface of the rough endoplasmic reticulum and the outer membrane of the nucleus; in bacteria they are found free in the cytoplasm. 1