DR GOPAL MURTI / SCIENCE PHOTO LIBRARY DR GOPAL MURTI / SCIENCE PHOTO LIBRARY
Cell division. Transmission electron micrograph of cytokinesis (division of a cell's cytoplasm) after mitosis of a human embryonic kidney cell. This is a tissue culture cell. In this late phase of cell division (telophase) the nucleus has divided into two (dark areas). Each daughter nucleus contains genetic material identical to that of the mother cell. Spindle microtubules can be seen in the cytoplasmic bridge between the two cells. The spindle is involved in separating chromosomes during division of the nucleus. At telophase the cell membrane is drawn in to form a cleavage furrow, which will break to leave two daughter cells. Magnification: x8500 at 8x10 inch size.
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