Questions
Which one of the following is correctly matched?
a
DNA- long polymer of ribonucleotides
b
Dinucleotide- 3'-5' phosphoester linkage
c
Packaging of chromatin at higher level- Requires polyamines
d
B-DNA- Two chains are coiled in a right-handed fashion
detailed solution
Correct option is D
The B-DNA structure was established by Watson and Crick. The two chains are coiled in a right-handed fashion. The pitch of the helix is 3.4 nm.DNA is a long polymer of deoxyribonucleotides.Two nucleotides are linked through 3'-5' phosphodiester linkage to form a dinucleotide.The packaging of chromatin at higher level requires additional set of proteins that collectively are referred to as Non-histone Chromosomal (NHC) proteins.Talk to our academic expert!
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Histone proteins are:
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