試題詳解

59. Which of the following enzyme(s) is/are involved in the human nucleotide excision repair of UV-induced pyrimidine dimers? 1. endonucleases 2. DNA ligase 3. DNA polymerase 4. photoreactivating enzyme (DNA photolyase)
(A) 1.
(B) 1 and 3.
(C) 2 and 4.
(D) 1, 2 and 3.
(E) All of them. .