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【判断题】

Polypeptides unfold in the cytoplasm of a cell to form a functional protein.( )

A.
正确
B.
错误
举报
参考答案:
参考解析:
.
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举一反三

【多选题】What are the solutions used in the experiment?( )

A.
70% ethanol
B.
Isopropanol
C.
Phenol/chloroform/ Isopropanol(25/24/1)
D.
TE buffer

【单选题】In the regulation of lac operon, when the medium contains only glucose, which statement is true?( )

A.
concentration of cAMP is high, CAP is active
B.
concentration of cAMP is low, CAP is active
C.
concentration of cAMP is high, CAP is inactive
D.
concentration of cAMP is low, CAP is inactive