DNA polymerase catalyzes the joining of a nucleotide to a growing DNA strand. Wh

Question

DNA polymerase catalyzes the joining of a nucleotide to a growing DNA strand. What prevents this enzyme from catalyzing the reverse reaction?

Question options:

1)

2)

3)

4)

loss of ATP as an energy source

Please help me out I believe that it is answer 4 so please let me know if this is right?

1)

hydrolysis of pyrophosphate (PPi) to inorganic phosphate (Pi) + Pi

2)

release of PPi from the nucleotide

3)

hybridization of the new strand to the template

4)

loss of ATP as an energy source

Please help me out I believe that it is answer 4 so please let me know if this is right?

Explanation / Answer

Ans :The correct ans is ( 1 )

Hydrolysis of pyrophosphate ( PPi ) to inorganic phosphate ( Pi ) + Pi

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