portrait

Description:

Chlamydomonas (clam-ee-doe-moan-ass), a solitary volvocid (flagellated green algal cell). Cell surrounded by a cellulosic wall, with two similar flagella emerging from near the apex. The photosynthetic pigments are located within a cup-shaped chloroplast which has a large pyrenoid with associated polysaccharide materials located posteriorly. The nucleus is located within the cup. This image shows one anterior contractile vacuole. Animations by Rosemary Arbur of flagellar beat patterns are available here.Phase contrast.