All nucleic acid strands are polymers of a repeating unit, explain?

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All nucleic acid strands are polymers of a repeating unit, explain?



All nucleic acid strands are polymers of a repeating unit, a nucleotide that consists of a sugar with an attached base and phosphate. The sugar-phosphate backbone is asymmetric because phosphate groups connect the carbon 5' of a sugar with the carbon 3' of the neighboring sugar. This results in asymmetric ends: a 5' end where the carbon 5' is attached to a phosphate group only, and a 3' end where the carbon 3' is attached to a hydroxyl group only

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