Single Cell (image) University of Washington Share Print E-Mail Caption This is a single cell of the low-oxygen zone bacterium grown in the University of Washington lab, as seen under an electron microscope. Credit University of Washington Usage Restrictions Photo credit required. Share Print E-Mail 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.