题目内容
Which of the following may cause non-specific amplification of DNA in PCR reaction?()
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Which of the following enzymes can tolerant high temperature:()
An archaeologist found the frozen muscle of an extinct giant animal in the ice of Siberian taiga region. He wanted to know the similarity of DNA of the giant animal and that of modern Indian elephant, and following detection work was done. The right steps and order is:①Lower the temperature and detect hybrid DNA region with double strand ② amplify DNA from giant animal and elephant by PCR ③ transducer DNA from giant animal into elephant cells ④ DNA from giant animal and elephant are heated together in the water bath under a certain temperature()
The denaturation temperature of PCR is generally:()
In genetic engineering, the target genes (1000bp, including 460 adenine deoxynucleotides) are amplified for 4 generation in the PCR instrument, the number of cytosine deoxynucleotides in PCR buffer should be at least:()
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