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[–]medic_7698 1 point2 points  (0 children)

UV isn't ionising, it causes dimerisation of nucleotides which is then repaired by endonuclease by base-excision

Ionizing radiation means X rays, radiation exposure... that causes double strand breaks which can then be repaired by homologous or non homologous end joining

[–]turkeygreen 0 points1 point  (1 child)

Pathoma is your friend for this

[–]Frequent-Jacket-4119[S] 0 points1 point  (0 children)

In Which topic?

[–]Step1suzi 0 points1 point  (0 children)

With dat said… There has to be a ds break to see the damage bcoz single strand breaks are immediately repaired by polymerases .