DR GOPAL MURTI / SCIENCE PHOTO LIBRARY DR GOPAL MURTI / SCIENCE PHOTO LIBRARY
Mitosis. Confocal light micrograph of HeLa cells during mitosis (nuclear division). Mitosis is the formation of two daughter nuclei from one parent nucleus. The majority of cells are in interphase, between divisions. A cell at top right and one at bottom left are in metaphase, where the chromosomes (pink) are lined up along the centre of the cell. At bottom a cell is in anaphase, the two identical chromatids that make up each chromosome have been separated to opposite poles of the cell. Microtubules, which are part of the cell's cytoskeleton, are yellow.
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