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Features of Codon

A typical nuc...

Question

A typical nucleosome contains

A

300 bp of DNA helix

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B

100 bp of DNA helix

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C

400 bp of DNA helix

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D

200 bp of DNA helix

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Solution

The correct option is D
200 bp of DNA helix

The nucleosome core particle consists of approximately 147 base pairs of DNA wrapped insuperhelical turns around a histone octamer consisting of 2 copies each of the core histones H2A, H2B, H3 and H4 leading to 200 bp of DNA helix.

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(i) Loosely packed and lightly stained region of chromatin are called as heterochrormatin.
(ii) Densely packed and dark stained region of chromatin are called as euchromatin.
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Q. Read the following statements and select the correct option.
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