BSIP / SCIENCE PHOTO LIBRARY BSIP / SCIENCE PHOTO LIBRARY
Mitosis. Coloured transmission electron micrograph (TEM) of a section through a dividing cell during the late anaphase/early telophase stage of mitosis. Mitosis is the cycle of replication and division by which new body cells are formed. The chromosomes of the parent cell (red) are duplicated and pair up along a proteinaceous apparatus known as the spindle. They then separate and move to opposite poles of the cell (anaphase), before the cytoplasm pinches and the cell divides (telophase), in a process known as cytokinesis. When the cell has split, two identical daughter cells, each with a full complement of genetic material, are formed. Magnification: x7000 at 35mm size.
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