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Following UV light exposure, pyrimidine dimers form in cellular DNA. This results in a bulky defect in one of the two strands of a double helix. Therefore, the other strand can be used as a template to guide the correction of the damaged strand.

Repair of pyrimidine dimers is performed using


base excision repair.


mismatch repair.


nucleotide excision repair.


methylation of cytosine and adenosine bases.

Select an assignment template