Protein Factory of Living Cells (IMAGE) American Chemical Society Caption Cells may contain hundreds of thousands to millions of ribosomes, one of which is depicted in this image. Credit Image courtesy of Venki Ramakrishnan, PyMOL (Delano Scientific, www.pymol.org/) Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.