試題詳解

14. Which of the following statements is NOT CORRECT for DNA topoisomerases?
(A) DNA topoisomerases can cleave DNA backbone at phosphodiester bond
(B) Only participate enzymatically in overwinding, knotting and catenation of DNA
(C) Relive the torsion stresses associated with DNA replication and transcription elongation
(D) Both type I and II topoisomerase change the linking number of DNA
(E) Human topoisomerase I is the antigen recognized by Anti-Scl-70 in scleroderma