Nucleotide excision fix (NER) can be an essential DNA fix mechanism necessary for cellular level of resistance against UV light and toxic chemical substances such as for example those within tobacco smoke cigarettes. to use similar mechanisms to correct DNA. Unwinding of DNA by both helicase subunits of TFIIH, XPD and XPB, is certainly accompanied… Continue reading Nucleotide excision fix (NER) can be an essential DNA fix mechanism