問題詳情
73. What role does AP endonuclease have in the base-excision repair system?
(A) It removes the damaged base from the nucleic acid.
(B) It cleaves the phosphodiester backbone after base removal.
(C) It removes nucleotides from the broken strand of the nucleic acid.
(D) It adds new nucleotides to replace the excised ones.
(E) It creates a new phosphodiester bond to repair the backbone.
(A) It removes the damaged base from the nucleic acid.
(B) It cleaves the phosphodiester backbone after base removal.
(C) It removes nucleotides from the broken strand of the nucleic acid.
(D) It adds new nucleotides to replace the excised ones.
(E) It creates a new phosphodiester bond to repair the backbone.
參考答案
無參考答案
內容推薦
- ( ) Betty is doing her homework, and we , too.(A) do (B) be (C) are (D) is
- In the erythrocyte, glycolysis produces ________that is further metabolized to ________.(A) lact
- The energy of a photon absorbed by an antenna molecule of the photosystem finds its way to a chl
- ( ) A: How’s your brother doing?B:(A) He’s not ready. Wait, please. (B) He’s funny. (C) He’s ove
- The ion channel that opens in response to acetylcholine is an example of a ________ signal trans
- ( ) A:B: She’s from America.(A) What is the girl doing? (B) Where is your friend from?(C) Who is
- ( ) A: Joe’s parents are fighting again. And this time, they fight like cat and dog.B: Poor Joe!
- ( ) A:B: It’s eleven seventeen.(A) What is the time? (B) What day is it today?(C) How old is you
- Topoisomerases:(A) can change the linking number in increments of 1 or (B) can act on single-s
- Phospholipase C hydrolyzes phosphatidylinositol 4,5-bisphosphate (PIP2) to form which signaling
內容推薦
- DNA polymerase I synthesizes new DNA with very high fidelity, due to its ________.(A) high proce
- Which of the following is related to the function of proofreading step?(A) Riboswitch (B) EF-G i
- ( ) The game is eight Saturday morning.(A) on; on (B) on; at (C) at; on (D) at; at
- What type of mutation causes conditions such as Huntington’s disease and Fragile X syndrome?(A)
- What acts as the nucleophile in the mechanism of nucleotide addition by RNA polymerase?(A) The 5
- ( ) A: Everyone, nice to your parents.B: OK, Ms. Smith.(A) is (B) are (C) do (D) be
- 【題組】＿＿＿＿＿＿ There is a tall b ng near the train station.編輯私有筆記及自訂標籤國一英文上第三次-107 年 - 2018高雄市市立大樹國中七
- There are two code sequences for a particular computer, and three classes of instructions (A, B,
- The photosynthetic electron transport system includes the transmembrane complexes PSI, PSII and
- 閱讀測驗： A. It is a kind of food. It grows best in hot, wet weather, usually on the farm under water.
- 【題組】To which of the positions marked [1], [2], [3], [4], and [5] does the following sentence bes
- 【題組】Why does the writer mention the Diagnostic and Statistical Manual of Mental Disorders in par
- 【題組】According to paragraph 2, a person who has been diagnosed with schizophrenia and who is devo
- 【題組】Which of the sentences below best expresses the essential information in the highlighted sen
- 1 民營鐵路非因不可抗力而停止營運者，處新臺幣多少罰鍰？(A) 10 萬元以上 50 萬元以下 (B) 30 萬元以上 150 萬元以下(C) 60 萬元以上 300 萬元以下 (D) 100 萬元以
- It’a a good time to find out more about yourself. You can take thetest to ______ whether you get a
- Which of the following is least related with RNA interference?(A) RISC (B) Drosha (C) Dicer (D)
- The man ________a blue tie is talking to the woman_______a purple dress. I know they are Amy’s par
- The girl _____ is going to the movies with me this weekend.(A) I met on the Net(B) who I enjoy ta
- Turning off the light after leaving the room is a good way to save_____.(A) notebook (B) dictionar
- Peter enjoys many outdoor ______, like hiking or rock climbing.(A) activities (B) habits (C) squar
- The essential oil is made ______ lavender, and the box is made_____ used paper. lavender 薰衣草(A) o
- _______ is the boy ______ is helping the old man to walkacross the street?(A) Who；which (B) Who；w
- The school bus _________ a lot of students. It is very noisy.(A) with (B) full of(C) have (D) is f
- My brother has a ______ of taking a shower in the morning everyday.(A) copy (B) habit (C) breath (