#Question id: 3649
#Unit 3. Fundamental Processes
In eukaryotes, clusters (tandem arrays) of about 20–50 replicons initiate simultaneously at defined times throughout:
#Question id: 3650
#Unit 3. Fundamental Processes
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
#Unit 3. Fundamental Processes
__________________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: 3652
#Unit 3. Fundamental Processes
Alkylating agents are electrophilic chemicals which readily add alkyl groups to various positions on nucleic acids. A common example is:
#Question id: 3653
#Unit 3. Fundamental Processes
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
#Unit 3. Fundamental Processes
Cleavage of the cyclobutane ring of pyrimidine dimers by ______________ restores the original DNA structure.