List of top Biochemistry Questions on DNA- protein and protein – protein interactions

Which one of the following double-stranded sequences will NOT be recognized by a Type IIP restriction endonuclease?
A newly identified viral protein contains one long α-helix spanning 60 amino acid residues. The number of main chain H-bonds formed in this helix is _______. (Answer in integer)
A 5250 base-pair long plasmid with 10 negative supercoils would have a linking number of______,considering 10.5 base pairs per turn for B DNA. (Answer in integer)
A 5250 base-pair long plasmid with 10 negative supercoils would have a linking number of______,considering 10.5 base pairs per turn for B DNA. (Answer in integer)
Which one of the following organic compounds is composed of only (i) a nitrogen containing base, (ii) a single five-carbon sugar, and (iii) a triphosphate?
The bases present in DNA are