Normal Fat Accumulation in Yeast (IMAGE) California Institute of Technology Caption Wild-type yeast cells that do not have any proteins knocked out and are developing with a normal level of fat. The fat droplets are colored green. Credit Courtesy of Patrick Arpp/Caltech 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.