题目内容

DNAtemplatestrandcontainsthefollowingsequence:5’-AGGCTCCAG-3’Whichcomplementary strandcanbemadefromthissequence?

A. 5’- TCCGAGGTC- 3’
B. 5’- UCCGAGGUC-3’
C. 5’-CTGGAGCCT -3’
D. 5’-CUGGAGCCU-3’

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DNAtemplatestrandcontainsthefollowingsequence:5’-AGGCTCCAG-3’WhichcomplementaryRNAstrandcanbemadefromthissequence?

A. 5’-UGGCTCCUG-3’
B. 5’-GACCTCGGA-3’
C. 5’-UCCGAGGUC-3’
D. 5’-CUGGAGCCU-3’

分压式偏置单管共射放大电路的发射极旁路电容CE因损坏而断开，则该电路的输入电阻将（）。

A. 增大
B. 减小
C. 不变
D. 不定

Read the text and judge whether the following statements are true or false.1)Common law evolves long before Parliament became the main law-making body.

A. 对
B. 错

2)If the case is different from previous cases, the judge can work out some change on the law.

A. 对
B. 错