The order for the necessary enzymes that act to repair a DNA by nucleotide excision repair is helicase, DNA polymerase, DNA ligase".
The formation of thymine dimers is the maximum common DNA damage as a result of the exposure of UV light. The mobile have a repair system to deal with this damage referred to as nucleotide excision restore. in this system, a helicase separates the double-stranded DNA forming a bubble in the site of harm. After the site of harm has been eliminated, a DNA polymerase replaces the missing fragment of DNA and a DNA ligase binds the 2 double-stranded DNA fragments that had been formerly separated.
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