Question

what is meant by histone protein​

Answer 1

In biology, histones are highly alkaline proteins found in eukaryotic cell nuclei that package and order the DNA into structural units called nucleosomes. They are the chief protein components of chromatin, acting as spools around which DNA winds, and playing a role in gene regulation.

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Answer 2

Modifications Histones are proteins that condense and structure the DNA of eukaryotic cell nuclei into units called nucleosomes. Their main functions are to compact DNA and regulate chromatin, therefore impacting gene regulation. Histones H2A, H2B, H3 and H4 are known as the core histones, and they come together to form one nucleosome. The nucleosome core is formed of two H2A-H2B dimers and a H3-H4 tetramer. In general, eukaryotic histones repress gene transcription, but It is now known that histones can be both positive and negative regulators of gene expression. These interactions are the basis of the histone