Histones are group of proteins which are rich in basic amino acids and they perform the function of

Options

A. DNA coiling
B. RNA coiling
C. Protein coiling
D. Nucleic acid coiling

Answer

**Step-by-Step Solution:**

1. **Understanding Histones**: Histones are proteins that are rich in basic amino acids, particularly arginine and lysine. These amino acids have a positive charge, which allows them to interact effectively with the negatively charged DNA.

2. **Function of Histones**: The primary function of histones is to package and condense DNA into a compact, organized structure. This is essential for fitting the long DNA molecules into the nucleus of a cell.

3. **Formation of Nucleosomes**: Histones form a complex with DNA to create structures called nucleosomes. Each nucleosome consists of a segment of DNA wrapped around a core of histone proteins. This wrapping helps in the coiling and folding of DNA.

4. **DNA Coiling**: The process of DNA wrapping around histones leads to the formation of chromatin, which is the material that makes up chromosomes. This coiling is crucial for DNA organization, regulation, and protection.

5. **Conclusion**: Based on the function of histones in the context of DNA packaging, the correct answer to the question is **a. DNA coiling**.

**Final Answer**: Histones perform the function of **DNA coiling**.

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