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Home Q & A Board Biology-Related Homework Help Cell Biology
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smp1016 smp1016
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Posts: 34
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12 years ago
A.allowing restriction enzymes to cut DNA at palindromes.
B.creating recombinant plasmids.
C.analyzing a person's fingerprints.
D.making many copies of a small amount of DNA.
E.cutting DNA into many small pieces.
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wrote...
#1
12 years ago
D. making many copies of a small amount of DNA.
wrote...
#2
12 years ago
D
wrote...
#3
12 years ago
D is the answer. if you learn the mechanism by which PCR work, you will understand why D is the answer.

 imagine this line is a DND -----------#------------ but you want to work with the gene shown by #. In this case by PCR you can separate the part of DND consist of #.

 look the picture to understand what I mean
    -----/--------#-------/-------------
                          ---------#------
                          --------#------
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