Bringing Nutrients into Cells (image) Purdue University Share Print E-Mail Caption This graphic illustrates an intermediate step in the process that brings nutrients or other substances into cells. The membrane proteins are shown holding the nutrient in a small cavity within the cellular membrane. A Purdue team led by Jue Chen, an associate professor of biological sciences, captured an image of a key step that reveals interactions of the main proteins involved in the process. Credit Jue Chen/Purdue University 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.