1. E. coli DNA polymerase V has the ability to bypass thymine dimers. However, Pol V...

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Biology

1. E. coli DNA polymerase V has the ability to bypass thyminedimers. However, Pol V tends to incorporate G rather than Aopposite the dam-aged T bases. Would you expect Pol V to be more orless processive than Pol III? Explain.
2. Explain why base excision repair, nucleotide excision repair,and mismatch repairâ€”which all require nucleases to excise damagedDNAâ€”require DNA ligase.
3. Why are there no Pol I mutants that completely lack 5â€² â†’ 3â€²exo-nuclease activity?

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Ans 1 E coli DNA polymerase V has the ability to bypass thymine dimers However Pol V tends to incorporate G rather than A opposite the damaged T bases The processivity of DNA Pol III is higher than POL V The ability of Pol V to add and surpass few nucleotides is due to its Dna See Answer

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