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10 November, 03:55

Explain why DNA has an overall negative charge.

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  1. 10 November, 07:34
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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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