Delivery mechanism (IMAGE) John Innes Centre Caption An image of a purified sample of the molecular assemblies that transcribes and translate bacterial genes taken with a cryogenic electron microscope is shown in the background. Atomic models of the molecule derived from these images are shown in the foreground Credit John Innes Centre Usage Restrictions No restrictions. License Public Domain 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.