A nucleosome has a histone octamer made up of | vedclass

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Question

(C) nucleosome is the basic structural unit of $DNA$ packaging in eukaryotes. It consists of a segment of $DNA$ wound around a core of histone protein

Vedclass · Accepted Answer

$2(H_{2A} + H_{2B} + H_3 + H_4)$

Vedclass · Answer

(C) nucleosome is the basic structural unit of $DNA$ packaging in eukaryotes. It consists of a segment of $DNA$ wound around a core of histone proteins. The histone octamer core is composed of two copies each of four types of histone proteins: $H_{2A}$,$H_{2B}$,$H_3$,and $H_4$. Therefore,the octamer is represented as $2(H_{2A} + H_{2B} + H_3 + H_4)$. The $H_1$ histone protein is not part of the octamer core; instead,it binds to the $DNA$ where it enters and leaves the nucleosome,helping to stabilize the structure.

$A$ nucleosome has a histone octamer made up of:

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