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Describe the structure of a nucleosome....

Describe the structure of a nucleosome.

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### Step-by-Step Text Solution for the Structure of a Nucleosome 1. **Definition of Nucleosome**: A nucleosome is the fundamental unit of chromatin, which is the material that makes up chromosomes. It consists of DNA wrapped around histone proteins. 2. **Components of Nucleosome**: The nucleosome is primarily composed of two main molecules: - **DNA**: The DNA in a nucleosome is approximately 200 base pairs long. - **Histone Proteins**: These are positively charged proteins that help in packaging the DNA. The main histone proteins involved in forming a nucleosome are H2A, H2B, H3, and H4. ...
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XII BOARDS PREVIOUS YEAR-XII BOARDS-SECTION-B
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  2. A mature, embryo-sac in a flowering plant may possess 7-cells, but 8-n...

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  3. Describe the structure of a nucleosome.

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