Concept
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Regulator Molecules of the Cell Cycle
Activation of Cdks
Cyclin-dependent kinases (Cdks) are protein kinases that, when fully activated, can phosphorylate and activate other proteins that advance the cell cycle past a checkpoint. To become fully activated, a Cdk must bind to a cyclin protein and then be phosphorylated by another kinase.
Source
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"OpenStax College, Control of the Cell Cycle. October 16, 2013."
http://cnx.org/content/m44466/latest/Figure_10_03_03_prev.jpg
OpenStax CNX
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