Garbage Sac (image) Washington University in St. Louis Share Print E-Mail Caption Larger proteins or organelles are handled differently. They are led by chaperones to aggregation spots (second step) and then engulfed in a sac that carries them to a larger body holding enzymes that will digest the contents of the sac. Credit E.M.L. Usage Restrictions None 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.