题目内容

关于SUMO化的生物学作用的叙述不正确的是

A. SUMO化的核内底物多数都是转录调节因子或共调节因子
B. SUMO参与维持基因组的完整性及调节染色体凝集与分离
C. SUMO参与DNA的修复过程
D. SUMO化仅修饰核内蛋白质,不修饰胞浆蛋白质或膜蛋白
E. SUMO可拮抗泛素化修饰的作用

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蛋白质甲基化修饰的甲基基团供体来自

A. SAM
B. NADH
C. NADPH
D. 泛素
E. SUMO

计算机不能直接识别和执行符号语言指令,需要用一种软件将其转换成机器指令,这个软件称()

A. 机器语言
B. 机器指令
C. 汇编程序
D. 连接程序

计算机不能直接识别高级语言程序,需要进行“翻译”,用来完成翻译的软件称为()。

A. 汇编程序
B. 编译程序
C. 目标程序
D. 源程序

ⅠGuess the place.1.You come to borrow books. You can keep the books for a certain time. However, you have to return them in time. It’s a.2.There are many computers in this room. People don’t play games here. They come to learn how to use computers or software. It’s a.3.This place is great. Here you can have nice meals, and a good time with your friends. It’s the.4.After you’ve had a busy day, you come back here to have a good sleep and a sweet dream. It’s your.5.In this building, rooms are of similar size. Sometimes when you pass by the building, you hear students reading aloud. It’s the.

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