Baker's Yeast (IMAGE) Lomonosov Moscow State University Caption This is a photograph of baker's yeast, made with a fluorescence microscope. Octyl-rhodamine fluorescence in yeast cells is shown. Credit Dmitry Knorre 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.