The acidity of the DNA molecule is due to: | vedclass

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(C) The $DNA$ molecule is a polymer of nucleotides. Each nucleotide consists of a nitrogenous base,a pentose sugar (deoxyribose),and a phosphate group

Vedclass · Accepted Answer

Phosphate group

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(C) The $DNA$ molecule is a polymer of nucleotides. Each nucleotide consists of a nitrogenous base,a pentose sugar (deoxyribose),and a phosphate group.The phosphate group $(PO_4^{3-})$ is derived from phosphoric acid $(H_3PO_4)$.In the $DNA$ backbone,the phosphate groups link the sugar molecules via phosphodiester bonds.Because these phosphate groups retain acidic properties (they release protons,$H^+$),they confer an overall negative charge and acidic nature to the $DNA$ molecule.

The acidity of the $DNA$ molecule is due to:

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