Essay
During G2, the Wee1 protein phosphorylates tyrosine-15 of the Cdc2 protein kinase, thus inactivating it. Only once dephosphorylation occurs and Cdc2 becomes active can the cell pass from G2 into M and proceed to cell division. Can you think of a reason why this protein was named Wee1?
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G2 is a period in the cell cycle during w...View Answer
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