Lead yeast (IMAGE) Massachusetts Institute of Technology Caption In this image, A control group of yeast cells (top row) is compared to yeast cells after they have accumulated lead from contaminated water (bottom row). Scanning electron microscope (SEM) images show, at left, an overview, and at center, a closer look at the yeast cells, and at right transmission electron microscope (TEM) images show an individual yeast cell. Credit Image courtesy of Patritsia Statathou, Neil Gershenfeld, et. al Usage Restrictions Images are made available to non-commercial entities, press and the general public under a Creative Commons Attribution Non-Commercial No Derivatives license. You may not alter the images provided, other than to crop them to size. A credit line must be used when reproducing images License Original 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.