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cyclin |
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cyclin [sī′klin] one of a class of intracellular proteins that appear during the eukaryotic cell cycle. The cyclin concentration increases during the cycle until halfway to the mitosis stage, when it drops to zero. Cyclin may act as a molecular switch that activates mitosis when its concentration reaches a certain point. 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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