❤why histones are positively charged??
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Histones are composed of mostly positively charged amino acid residues such as lysine and arginine. The positive charges allow them to closely associate with the negatively charged DNA through electrostatic interactions. Neutralizing the charges in the DNA allows it to become more tightly packed.
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Histone protein is rich in the basic amino acids residues --------Lysines and Arginines.
Both amino acids carry Positive charges in their chains.
That is why, Histones is positively charged.
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