Question: Which of the following is true about phosphodiester linkage?

Options

A : 5’-phosphate group of one nucleotide unit is joined to the 3’-hydroxyl group of the next nucleotide

B : 3’-phosphate group of one nucleotide unit is joined to the 5’-hydroxyl group of the next nucleotide

C : 5’-phosphate group of one nucleotide unit is joined to the 5’-hydroxyl group of the next nucleotide

D : 3’-phosphate group of one nucleotide unit is joined to the 3’-hydroxyl group of the next nucleotide

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