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Chapter 10 Cell Growth and Division.pdf

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<strong>10</strong>.3 Regulating <strong>Cell</strong> CycleA. Controls on <strong>Cell</strong> <strong>Division</strong>‣Skin, blood, bones cells divide thru out life‣W/injury: cells divide until contact other cells1. Cyclins: Proteins that regulating cell cycle‣Internal regulatory proteins: respond inside events(wastes build-up; chromo replctn before mitosis)‣External regulatory proteins: respond outside events• Ex: <strong>Growth</strong> factors (embryonic dev, wound healing)‣Apoptosis: programmed cell death (shapes bone,fingers)

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