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cell division |
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cell division: see cell cell, in biology, the unit of structure and function of which all plants and animals are composed. The cell is the smallest unit in the living organism that is capable of integrating the essential life processes. There are many unicellular organisms, e.g. ..... Click the link for more information. ; mitosis interphase the chromosomes are dispersed in the nucleus and appear as a network of long, thin threads or filaments, called the chromatin. At some point before prophase begins, the chromosomes replicate themselves to form pairs of identical sister chromosomes, or chromatids; the ..... Click the link for more information. ; meiosis meiosis (mīŏ`sĭs) ..... Click the link for more information. . cell division [′sel di′vizh·ən] (cell and molecular biology) The process by which living cells multiply; may be mitotic or amitotic. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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Stem cells that reside deep within these crypts divide and spin off a regular supply of daughter cells, which then differentiate as needed to replace the colon-lining cells. These stem cells are anchored there, and their job is to continually produce daughter cells that then further divide nine times, together generating about 2,000 cells per iteration. Instead of sperm, ACT scientists use a mix of chemicals and hormones (brain substances) to persuade the egg to divide into two identical daughter cells, then four, etc. |
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