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Assertion : DNA is associated with proteins. Reason : DNA binds around histone proteins that form a pool and the entire structure is called a nucleosome.A. If both assertion and reason are true and the reason is correct explanation of the assertion.B. If both assertion and reason are true but reason is not correct explanation of the assertionC. If assertion is true but reason is falseD. If both assertion and reason are false

Answer» Correct Answer - A
(A) A chain of DNA has 140 base pairs, make (`1 3/4` turns and twist around a histone octamer forming nucleosome. The core of nucleosome consists of 4 histones) H2A, H2B, H3 and H4.


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