“HW: Instead of adding PDGF to otherwise normal cells, you induce DNA damage. You observe that the activity of ATM kinase=1, the FRET profile for CFP-p21cip + YFP-CDK=1, and the level of Y15 phosphorylated CDK = 4. Which of the following pertains to these cells?”

“HW: Instead of adding PDGF to otherwise normal cells, you induce DNA damage. You observe that the activity of ATM kinase=1, the FRET profile for CFP-p21cip + YFP-CDK=1, and the level of Y15 phosphorylated CDK = 4. Which of the following pertains to these cells?”

Cells activated the p53-dependent DNA damage checkpoint and repaired the damage