Keywords: Chlamydomonas TEM 16.jpg Transmission electron microscope image showing an example of green algae Chlorophyta <br><br>Chlamydomanas reinhardtii is a unicellular flagellate used as a model system in molecular genetics work and flagellar motility studies <br><br>This image is a thin x-section cut through the isolated axoneme Chlamydomonas flagella have the 9+2 structure characteristic of all eukaryotic cells The axoneme has a central unit containing two single microtubules and nine peripheral doublet microtubules known as the 9+2 Dynein sidearms project from the A tubule of each doublet Also visible in this image are the radial spokes and the inner sheath Source and public domain notice at http //remf dartmouth edu/imagesindex html 2007-09-20 Dartmouth Electron Microscope Facility Dartmouth College Released into the public domain Dartmouth Electron Microscope Facility Dartmouth College Chlamydomonas reinhardtii Transmission electron microscopic images Flagella Microtubules |