Photosynthesis (IMAGE) University of Leeds Caption Light is absorbed by light-harvesting proteins in the plant membrane. The energy excites the proteins and the way they arrange themselves determines the way energy is transferred through the plant. Credit Sophie Meredith, University of Leeds 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.