[问答题]
The image shows a basic principl
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c//4zc0bbz.b asi;qf he polymerase chain reaction (PCR). The
c sba/ 4 zcb/;f0qbz.iuse of PCR revolutionized the biotechnology industry and opened up possibilities for many applications.
1.List three uses for the DNA copies that are produced.
2.Outline the function of DNA primers in the polymerase chain reaction.
3.Explain the reason for using Taq polymerase in the polymerase chain reaction.
4.Describe one application of the DNA profiles that are produced by PCR and visualized by gel electrophoresis.