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
Enzyme commonly used for carrying out ligation reaction is ____________
A. Transferase
B.Reverse transciptase
C. Ligase
DNase
Which of the following is false about klenow fragment? ____________
A. Polymerization activity
B. 3’→5’ exonuclease activity
C. 5’→3’ exonuclease activity
D. 324 – 928 residue of polymerase I
在组合逻辑电路中,消除竞争冒险的方法有__、__和__。
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