#Question id: 3651
#XL - S Microbiology
__________________is spontaneous hydrolytic reaction that involves cleavage of the N-glycosylic bond between N-9 of the purine bases A and G and C-1 of the deoxyribose sugar and hence loss of purine bases from the DNA.
#Question id: 3653
#XL - S Microbiology
Cyclobutane pyrimidine dimers are formed by -------------from adjacent pyrimidines on one strand by cyclization of the double-bonded C5 and C6carbon atoms of each base to give a cyclobutane ring.
#Question id: 3654
#XL - S Microbiology
Cleavage of the cyclobutane ring of pyrimidine dimers by ______________ restores the original DNA structure.
#Question id: 3655
#XL - S Microbiology
The mismatched base is removed from the daughter strand of DNA by:
#Question id: 3656
#XL - S Microbiology
In nucleotide excision repair, an endonuclease makes nicks on either side of the lesion.
#Question id: 3657
#XL - S Microbiology
Mutations in excision repair genes or a translesion DNA polymerase cause: