问题
单项选择题
不参与损伤DNA切除修复的酶有（）。
A.核酸内切酶
B.DNA聚合酶
C.核酸外切酶
D.DNA连接酶
E.拓扑异构酶
答案
参考答案：E
搜题请搜索小程序“爱下问搜题”
不参与损伤DNA切除修复的酶有（）。
A.核酸内切酶
B.DNA聚合酶
C.核酸外切酶
D.DNA连接酶
E.拓扑异构酶
参考答案：E
| 阅读理解。 | ||||||
| ||||||
| 1. Does Maria like broccoli? | ||||||
| A. Yes, she does B. No, she doesn't. C. Yes I do D.I don't know. | ||||||
| 2. What does Bill have for dinner? | ||||||
| A. Salad and chicken B. Ice cream C. Tomatoes and chicken D. Hamburgers and oranges | ||||||
| 3. _______ eats two eggs and a banana for breakfast. | ||||||
| A. Maria B. Bill C. Bob D. No one (没人) | ||||||
| 4. _______ likes ice cream, but _______ doesn't like it. | ||||||
| A. Bob, Maria B. Bill, Bob C. Maria, Bill D. Bob, Bill | ||||||
| 5. Does Bill have eggs or bananas for breakfast? | ||||||
| A. Eggs. B. Bananas. C. Eggs and bananas. D. We don't know. |
