Absorption spectra of single cells (IMAGE) Tokyo University of Science Caption The absorption spectrum of the reddened cells showed a similarity to that of the eyespot, which predominantly contains carotenoids. Credit Cannot be reused without permission Usage Restrictions Dr. Kyohei Yamashita from TUS, Japan License Original 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.