#Question id: 3647
#XL - S Microbiology
In the cell cycle: there are four main phases, G1, S, G2 and M phase. S phase is the :
#Question id: 3648
#XL - S Microbiology
The initiation of DNA replication within a replicon always occurs at a fixed point known as:
#Question id: 3649
#XL - S Microbiology
In eukaryotes, clusters (tandem arrays) of about 20–50 replicons initiate simultaneously at defined times throughout:
#Question id: 3650
#XL - S Microbiology
Which of the following is true for the most important form of DNA damage which produces pyrimidine dimers from adjacent pyrimidine bases?
#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.