Plss ans this qq

Solution

DNA Polymerase I is a single polypeptide and has a role in recombination and repair. It has both 5’→3’ and 3’→5’ exonuclease activity. DNA polymerase Ⅰ removes the RNA primer from lagging strand by 5’→3’ exonuclease activity and also fills the gap, thereby helping in DNA repair. 
Thus option B is the correct answer.

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