Cell Mass (IMAGE) Massachusetts Institute of Technology Caption MIT researchers have discovered that before cells start to divide, they toss waste products. In this image, the magenta represents DNA, and the green represents a lysosomal marker on the surface of the cells, which is an indicator of lysosomal exocytosis. Credit MIT Usage Restrictions Credit must be given to the creator. No derivatives or adaptations of the work are permitted. License CC BY-ND 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.