皮皮学，免费搜题
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【单选题】
蛋白质生物合成中多肽链的氨基酸排列顺序取决于A.
相应 tRNA 的专一性
B.
相应氨基酰 -tRNA 合成酶的专一性
C.
相应 tRNA 上的反密码
D.
相应 mRNA 中核苷酸排列顺序
E.
相应 rRNA 的专一性
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皮皮学刷刷变学霸
举一反三
【单选题】State and local government______the safety, structure, and appearance of the community through use of local law.
A.
regain
B.
recreate
C.
repute
D.
regulate
【简答题】种子萌发(seed gemination)
【单选题】Banks' asset portfolios include state and local government securities because
A.
they help to attract business from these government entities.
B.
banks consider them helpful in attracting accounts of Federal employees.
C.
the Federal Reserve requires member banks to buy securities from state and local governments located within their respective Federal Reserve districts.
D.
there is no default-risk with state and local government securities.
【单选题】随机选取列表['apple' , 'pear' , 'peach' , 'orange']中的1个字符串的Python代码是：
A.
from random import* sample(['apple' , 'pear' , 'peach' , 'orange'])
B.
from random import* choice(['apple' , 'pear' , 'peach' , 'orange'])
C.
from random import* ls = ['apple' , 'pear' , 'peach' , 'orange'] shuffle(ls)
D.
给出的选项都不正确
【简答题】什么是条件电极电位?为什么要引入条件电极电位?影响条件电极电位的因素有哪些?
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