PCR has been developed as a technology for correcting gene defects, thereby advancing the diagnostic aspects of molecular biology, especially for infectious and diagnostic diseases. What is PCR? Desc

PCR has been developed as a technology for correcting gene defects, thereby advancing the diagnostic aspects of molecular biology, especially for infectious and diagnostic diseases. What is PCR? Describe the technique in detail. What enzyme is used in this process and how is the enzyme used in PCR different from others? What is that enzyme's function in the cell? How has PCR changed microbiology?