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30 October, 22:54

Explain why DNA has an overall negative charge.

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  1. 30 October, 23:03
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    DNA has an overall negative charge because DNA backbones are made of deoxyribose and pentose sugar which are connected in phosphodiester bond. The groups of phosphate usually have a negative charge that makes positively charged particles (histone proteins) to interact and form chromatin.
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