题目内容

当局部视图按基本视图的配置形式配置，中间又没有其他图形隔开时，可以省略标注。（）

A. 对
B. 错

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During DNA cloning which of the following is not a crucial requirement? ____________

A. DNA inserts
B. Vector
C. Protein expression
D. Molecular cutter

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Which of the following statements is correct regarding S1 nuclease? ____________

A.It acts on double stranded DNA
B.It acts on single stranded DNA
C.It acts on both types of strands
D.It is obtained from coli

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Bal31 is also an enzyme which is used. Which of the following statements hold true in its context? ____________

A. It is having only 3’-5’ exonuclease activity and no endonuclease activity
B. It is having only an endonuclease activity
C. It is having 5’-3’ exonuclease activity
D. It leads to shortening from both the ends

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Enzyme commonly used for carrying out ligation reaction is ____________

A. Transferase
B.Reverse transciptase
C. Ligase
DNase

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当局部视图按基本视图的配置形式配置，中间又没有其他图形隔开时，可以省略标注。（ ）

A. 对 B. 错

During DNA cloning which of the following is not a crucial requirement? ____________

Which of the following statements is correct regarding S1 nuclease? ____________

Bal31 is also an enzyme which is used. Which of the following statements hold true in its context? ____________

Enzyme commonly used for carrying out ligation reaction is ____________

当局部视图按基本视图的配置形式配置，中间又没有其他图形隔开时，可以省略标注。（）

A. 对
B. 错