THOMAS DEERINCK, NCMIR / SCIENCE PHOTO LIBRARY THOMAS DEERINCK, NCMIR / SCIENCE PHOTO LIBRARY
Cytoskeleton, confocal light micrograph. Tubulin, the protein that makes up microtubules, is blue. Microtubules are part of the cytoskeleton, which maintains the cell's shape, allows some cellular mobility and is involved in intracellular transport. The nucleus, which contains the cell's genetic information, is red.
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