GUNILLA ELAM / SCIENCE PHOTO LIBRARY GUNILLA ELAM / SCIENCE PHOTO LIBRARY
Intracellular transport. Computer artwork of a vesicle (sphere) being transported along a microtubule (blue and green) by a kinesin motor protein (orange). Kinesins are able to 'walk' along microtubules. Microtubules are polymers of the protein tubulin and are a component of the cytoskeleton.
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