What does the phosphorylation of Cdc25 by M-Cdk do? Choose one:
O It activates Cdc25, which in turn activates more M-Cdk.
O It inactivates Cdc25, which promotes activation of more M-Cdk.
O It inactivates Cdc25, preventing further activation of M-Cdk.
O It activates Cdc25, allowing the cell to exit mitosis.
O It activates Cdc25, which inactivates M-Cdk.