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【单选题】
含有Ala,Asp,Lys,Cys的混合液,其pI依次分别为6.0,2.77,9.74,5.07,在pH9环境中电泳分离这四种氨基酸,自正极开始,电泳区带的顺序是(注:pH与pI差距越大氨基酸所带电荷越多):A.
Ala,Cys,Lys,Asp
B.
Asp,Cys,Ala,Lys
C.
Lys,Ala,Cys,Asp
D.
Cys,Lys,Ala,Asp
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反馈参考答案：
举一反三
【单选题】What is the main aim of reviews?
A.
Analyzing a perspective or arguing a point.
B.
Analyzing or discussing researches previously published by others.
C.
Summarizing and commenting on a newly published academic book.
D.
Summarizing, reviewing and commenting on the research trends, the major discoveries, significant findings, the leading opinions on a particular subject.
【单选题】What is the main aim of literature reviews?
A.
Analyzing a perspective or arguing a point.
B.
Analyzing or discussing researches previously published by others.
C.
Summarizing and commenting on a newly published academic book.
D.
Summarizing, reviewing and commenting on the research trends, the major discoveries, significant findings, the leading opinions on a particular subject.
【简答题】月球表面白天的平均温度是零上 126 °C,记作()°C,夜间的平均温度为零下150°C,记作( )°C
【单选题】What is the main aim of book reviews?
A.
Analyzing a perspective or arguing a point.
B.
Analyzing or discussing researches previously published by others.
C.
Summarizing and commenting on a newly published academic book.
D.
Summarizing, reviewing and commenting on the research trends, the major discoveries, significant findings, the leading opinions on a particular subject.
【单选题】下列那一条不符合散剂制法的一般规律( )
A.
各组分比例量差异大者，采用等量递加法
B.
各组分比例量差异大者，体积小的先放入容器中，体积大的后放入容器
C.
含低共熔成分，应避免共熔
D.
剂量小的剧毒药，应先制成倍散
E.
含液体的组分时，可用处方中其他组分或吸收剂吸收
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