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Standard XII
Biology
Secondary Structure of Protein
Histone prote...
Question
Histone proteins help in wrapping up the DNA.
A
True
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B
False
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Solution
The correct option is
A
True
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Similar questions
Q.
Subunit of chromatin composed of a short length of DNA wrapped around a core of histone proteins is called
Q.
How many times DNA wrap over a histone octomer?
Q.
In order to isolate the DNA with the gene of interest from an animal cell, it needs to be in pure form, free from other macromolecules. The DNA molecules intertwine around histone proteins. Which of the following enzyme treatments will help to purify the DNA from the associated proteins?
Q.
DNA of
E. Coli
is not associated with histone proteins
Q.
Pick the incorrect statements among the following:
(i) A typical nucleosome contains 400 bp of DNA.
(ii) The positively charged DNA is wrapped around the negatively charged histone octamer to form a structure called nucleosome.
(iii) Histones are rich in the basic amino acid residues like asparagine and valine.
(iv) The packing of chromatin at higher level requires an additional set of proteins that collectively are referred to as non-histone chromosomal proteins.
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