What is the basic unit of a nucleic acid?

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(D) The basic structural unit of a nucleic acid (such as $DNA$ or $RNA$) is the $Nucleotide$.Each $Nucleotide$ consists of three components: a nitroge

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Nucleotide

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(D) The basic structural unit of a nucleic acid (such as $DNA$ or $RNA$) is the $Nucleotide$.Each $Nucleotide$ consists of three components: a nitrogenous base,a pentose sugar (ribose or deoxyribose),and a phosphate group.While a $Nucleoside$ consists only of a nitrogenous base and a pentose sugar,the addition of a phosphate group converts it into a $Nucleotide$,which acts as the monomeric building block for nucleic acid polymers.

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