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Histones are...

Histones are

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Go through the following statements: (i) a typical nucleosome contains 400 bp of DNA helix. (ii) The positively charged DNA is wrapped around the negatively charged histoned octamer to form a structure called nucleosome. (iii) Histones are rich in the basic amino acid residues asparagine ad valine (iv) The packaging of chromatin at higher level requires additional set of proteins that collectively are referred to as nonhistone chromosomal proteins. Find out the wrong statements:-

Histone protein is synthesized in

[A] : Histone proteins are synthesized during S phase . [R] : Histone proteins are found associated with DNA to form beed like nucleosomes .

Ratio of DNA: Histone is roughly 1:1 in eukaryotic chromosome. In prokaryotes it is

What would happen if histones were to be mutated and made rich in acidic amino acids such as aspertic acid and gultamic acid in place of basic amino acids such as lysine and arginine?

Histone octamer possesses

Synthesis of histone proteins occurs in

Name the different types of histone proteins. Mention the arginine rich histone proteins among them.

In the sperm instead of histone the basic protein is

Which of these are histone proteins forming nucleosome?