Plants Turn Toward Light (IMAGE) Academy of Finland Caption A familiar phenomenon: plants turn toward light. Plants sense light with their photosensors, from which phytochromes are the proteins to sense red light. Credit University of Jyväskylä 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.