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What is PCR ?

-                                                                       
                                                                         

                                                                                              Polymerase Chain Reaction
          Polymerase chain reaction is method widely used in molecular biology.
-        To make several copies to specific DNA fragment using PCR copies.
-        Copies of DNA is exponentially amplified to generate thousand to millions of more copies of that particular DNA segment.
-        PCR is common technique and this technique is used in medical laboratory and clinical laboratory.
-        PCR was developed by Kary mullis in 1983.
-        He was awarded the Nobel prize in chemistry in 1993.
-        Hybridization probes for southern or northern hybridization and DNA cloning. Which requires large amount of DNA.
-        Representing specific DNA region.
-        PCR supplies these techniques with high amounts of pure DNA, enabling analysis of DNA samples even from very small amount of starting material.
-        PCR includes DNA sequencing to determine unknown PCR amplified sequence in which and of the amplification primers may be used in sanger sequencing.
-        PCR amplifies a specific region of a DNA strand.
-        Most PCR method amplify DNA fragments of between 0.1 and 10 kilo base pairs in length.
-        The basic PCR set-up requires several component and reagent including a DNA template that contains the DNA target region to amplify.

There are many types of PCR technique
1.    Colony PCR
2.    Nested PCR
3.    Inverse PCR
4.    QT PCR
5.    Real time PCR

Normal concept of PCR


Question: -

At what temperature does the denature step of PCR occur?

1.   1.  950c

2.   2.  720c

3.   3.  650c

4.   4.  Any temperature 


              Answer write in Comment BOX





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