A technique which has been successfully maintaining  long term culture upto 4-5 months is

#Question id: 3647

#Part-A Aptitude & General Biotechnology

In the cell cycle: there are four main phases, G1, S, G2 and M phase. S phase is the :

#Question id: 3648

#Part-A Aptitude & General Biotechnology

The initiation of DNA replication within a replicon always occurs at a fixed point known as:

#Question id: 3649

#Part-A Aptitude & General Biotechnology

In eukaryotes, clusters (tandem arrays) of about 20–50 replicons initiate simultaneously at defined times throughout:

#Question id: 3650

#Part-A Aptitude & General Biotechnology

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

#Part-A Aptitude & General Biotechnology

__________________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

#Part-A Aptitude & General Biotechnology

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.