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 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.