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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. . |
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| The scientist also includes explanations of cell division and genetics detailed enough to discuss mRNA and stop codons. Timeless also appeared to play a role in the DNA damage checkpoint response, a process that arrests cell division and activates DNA repair mechanisms. In some cancer cells a condition known as `hypermethylation' blocks the activity of several `tumor suppressor genes' that regulate cell division and differentiation to prevent unregulated malignant transformation. |
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cell division
