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Which of the following is required to perform polymerase chain reaction ?

Option: 1

Primers , dNTPs and DNA polymerase 


Option: 2

DNA, CaCland nuclease


Option: 3

Mg+2, DNA


Option: 4

Both a and c 


Answers (1)

best_answer

As we have learned

Extension - 

(Extension= Polymerization). This is final step in which Taq DNA polymerase recognised - 3' free-OH group on primer. Taq polymerase adds complementary nucleotides in the presence of Mg^{2+}(as a cofactor).

- wherein

This step is carried out at 72\degree C.

 

 

 

Posted by

vinayak

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