Select the correct option for a nucleotide.

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Question

(D) nucleotide is the basic structural unit of nucleic acids like $DNA$ and $RNA$.It consists of three essential components:$1$. $A$ pentose sugar (ri

Vedclass · Accepted Answer

Pentose sugar + Nitrogenous base + Phosphate group

Vedclass · Answer

(D) nucleotide is the basic structural unit of nucleic acids like $DNA$ and $RNA$.It consists of three essential components:$1$. $A$ pentose sugar (ribose in $RNA$ or deoxyribose in $DNA$).$2$. $A$ nitrogenous base (purine or pyrimidine).$3$. $A$ phosphate group.When a pentose sugar is linked only to a nitrogenous base,it is called a nucleoside. When a phosphate group is added to a nucleoside,it becomes a nucleotide.

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