Image: Chlamydomonas TEM 17

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Description: Transmission electron microscope image, showing an example of green algae (Chlorophyta). Chlamydomonas reinhardtii is a unicellular flagellate used as a model system in molecular genetics work and flagellar motility studies. 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.
Title: Chlamydomonas TEM 17
Credit: Source and public domain notice at http://remf.dartmouth.edu/imagesindex.html
Author: Dartmouth Electron Microscope Facility, Dartmouth College
Permission: Released into the public domain
Usage Terms: Public domain
License: Public domain
Attribution Required?: No

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Flagellum

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