Q. Type I topoisomerase can never decatenate catenated circular DNA?

View solution

Q. The promotion of DNA breaking and rejoining by topoisomerase requires______________

View solution

Q. Attack of the topoisomerase gives rise to ____________

View solution

Q. To reseal the DNA backbone where does topoisomerase gets the energy from?

View solution

Q. Which of the following does not occur during cell division in prokaryotes?

View solution

Q. The active site of the topoisomerase contains a tyrosine residue.

View solution

Q. Nucleosome was first described in 1974 by ___________

View solution

Q. The extent of chromosome coiling in non – dividing cells is _________

View solution

Q. The whole length of DNA is transcriptionally active.

View solution

Q. Why are chromosomes condensed?

View solution

Q. At which phase do transcription ceases?

View solution

Q. The part that plays a critical role in even distribution of parental DNA during division is ___________

View solution

Q. With respect to centromere which of the following is wrong?

View solution

Q. The protein that binds to the spindle fibres are known as centromeric proteins.

View solution

Q. Centromeric DNA was initially defined in ___________

View solution

Q. How many satellite sequence elements are present in yeast centromere?

View solution

Q. The centromere is A/T rich region.

View solution

Q. Which alternate form of histone is seen in centromeric histones of humans?

View solution

Q. Telomere is not related to __________

View solution

Q. Which of the following nucleotides is rich I telomere of an organism?

View solution