問題詳情

13. Xeroderma pigmentosum (XP) is a rare clinical disease associated with sunsensitivity and a high risk for skin malignancy in sun-exposed areas. Which of thefollowing defective DNA repair systems may be involved?
(A) Nucleotide excision repair, NER
(B) Mismatch excision repair, MMR
(C) Base excision repair, BER
(D) Non-homologous end joining, NHEJ
(E) Double-strand breaks repair, DSBR

參考答案

答案：A
難度：計算中-1
書單：沒有書單，新增

用户評論

【用戶】你到別的地方去耍笨好不好

【年級】高三下

【評論內容】著色性乾皮病Xeroderma pigmentosum (XP)是因缺乏Nucleotide excision repair而導致的疾病。(A) 核苷酸切除修復，NER(B) 錯配切除修復，MMR(C) 鹼基切除修復，BER(D) 非同源末端連接，NHEJ(E) 雙鏈斷裂修復，DSBR25.著色性乾皮症(Xeroderma pigmentosum)是一種遺傳性疾病。患者皮膚細胞被陽光中的紫外線破壞 之後不能自行修復，於兒童期即很容易誘發癌變。此種疾病最有可能是以下那種基因缺失所致？