题目内容

多莉羊的产生说明了()。

A. 体细胞的全能性
B. 体细胞去分化还原性
C. 体细胞核的全能性
D. 体细胞核的去分化还原性
E. 分化细胞的全能性

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下列哪种蛋白质不是管家基因的表达产物()。

A. 微管蛋白
B. 糖酵解酶系
C. 核糖体蛋白
D. 血红蛋白
E. 微丝蛋白

If you"re feeling this way， making some key routine changes could offer the（29）you didn"t even know you were looking for in your life．
It has been said for a long time that it takes 21 days to form. a habit．It"s still a good an ount of time to（30）developing a new habit and become accustomed to embracing it as a part of your everyday life．There are no rules saying youcan"t work on more than one（31）at a time．The idea is not to commit to more than what is32for you．
Feel free to change it up and add in more positive changes as you see fit．Just don"t overdo it—that would（33）the mental wellness and well-being that we"re trying to achieve．
There are very simple things you can do to pull yourself out of it．Think out some ideas （34）for yourself and give some of these ideas a try．Sooner or later， you will get a（35）change．
第（26）题__________ 查看材料

细胞衰老时，细胞核()。

A. 明显变为固缩状，常染色质减少
B. 多倍体减少
C. 常染色质增加
D. 染色质随机断裂
E. 核仁数量无变化

根据录音，选择合适的答案（）查看材料

A. Reading books．
B. Doing fire drills．
C. Watching videos．
D. Taking courses．