Ribosomes and Mitochondria (IMAGE) University of Exeter Caption Ribosomes imaged on the surface of mitochondria by cryo-electron microscopy. Credit University of Exeter Usage Restrictions This image may only be used with reports of this research 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.