Centrosome and centrioles
Cell envelope and organelles · Biology
Animal cell explorer
Interactive 3DPeek inside an animal cell — pick an organelle to highlight it and learn its job.
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Study notes
Example: Just before a cell divides, the centrosome duplicates and the two copies move to opposite poles. From each, microtubules grow out like a star (aster) and connect to chromosomes, forming the spindle that pulls sister chromatids apart in anaphase.