試題詳解

31. Which of the following is NOT a step in non-homologous end joining?
(A) Phosphorylation of the Ku70-Ku80 complex
(B) Degradation of any single-strand overhangs or hairpins from the broken ends of the chromosomes to be repaired
(C) Binding of the Ku70-Ku80 complex to the broken chromosome ends
(D) Binding of a kinase and a nuclease to the Ku70-Ku80 complex on the DNA