how are protiens positively charged ? how is dna negatively charged?

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Solution

Most of the proteins are negatively charged but the proteins like histones contain positively charged amino acid residues lysine and arginine which makes them positively charged.
The DNA is negatively charged because of the presence of negatively charged phosphate group.

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Similar questions

How to get to know whether a substance is positively charged or negatively charged after rubbing it ? Explain.

Regarding assertion and reason, select the right option.

Assertion [A]: Charge of DNA molecule is negative.
Reason [R]: Histone proteins associated with DNA are positively charged.

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