Assertion : $DNA$ is associated with proteins.
Reason : $DNA$ binds around histone proteins that form a pool and the entire structure is called a nucleosome.
AIIMS 2013, Diffcult
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a
A chain of $DNA$ has $140$ base pairs, make $1\frac {3}{4}$ turns and twist around a histone octamer forming nucleosome. The core of nucleosome consists of $4$ histones $H_2A,\,H_2B,\,H_3$ and $H_4$.
A chain of $DNA$ has $140$ base pairs, make $1\frac {3}{4}$ turns and twist around a histone octamer forming nucleosome. The core of nucleosome consists of $4$ histones $H_2A,\,H_2B,\,H_3$ and $H_4$.
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