<i>Chlamydomonas</i> Comparision (IMAGE) Carnegie Institution for Science Caption Ordinary Chlamydomonas is shown on the left and ferredoxin-5-lacking mutant Chlamydomonas on the right. Grown in the light, the mutant is fine, but grown in the dark, the cellular membrane is disorganized. Credit Arthur Grossman Usage Restrictions With credit 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.