A cell has been subjected to ultraviolet irradiation, causing a significant number of mutations in the genome. Which of the following would you NOT expect to occur as a result?
A) Activation of the protein kinase ATR
B) Activation of the protein kinase Chk1
C) Inactivation of the protein phosphatase Cdc25
D) Binding of p53 to Mdm2
E) Stabilization of p53