题目内容

Proteins can be removed via treatment by? __________

A. Phenol and chloroform treatment
B.Treatment with sodium hydroxide
Chloroform treatment alone
D. Centrifuging

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Nucleic acid precipitated constitutes of ____________

A.plasmid DNA
B.plasmid DNA, along with RNA and chromosomal DNA
C.RNA alone
D.chromosomal DNA only

The nucleic acid remaining in the solution can be precipitated by addition of sodium or ammonium acetate and ethanol. ____________

A.False
B.True

条形码，简称条码，是由一组规定排列的条、以及对应的字符组成的标记。将条码转换成为有意义的信息，需要经历扫描和_______________两个过程。

某结核性积液下列哪项指标可明显增高？（）

A. LD
B. 淀粉酶
C. AKP
D. 纤维连接蛋白
E. 溶菌酶