Nucleosomes give chromosomes a beaded appeara | vedclass

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(D) nucleosome is the basic repeating unit of eukaryotic chromatin. $1$. It consists of a core of eight histone proteins ($H_2A, H_2B, H_3, H_4$ in tw

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All of the above.

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(D) nucleosome is the basic repeating unit of eukaryotic chromatin. $1$. It consists of a core of eight histone proteins ($H_2A, H_2B, H_3, H_4$ in two copies each) around which $DNA$ is wrapped. $2$. The $DNA$ wraps around the histone octamer approximately $1.65$ to $2$ times. $3$. Each nucleosome typically contains about $200$ base pairs of $DNA$ (including the linker $DNA$). Therefore,all the given statements are correct.

Nucleosomes give chromosomes a beaded appearance. They help in the packaging of $DNA$ in chromosomes. $A$ nucleosome consists of:

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