Biology DNA

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What are the components of DNA and how is the backbone of a single strand of DNA constructed?

I put the components as nitrogenous base, deoxyribose molecule, and a phosphate group...I don't know the second part of the question :/

  • Biology DNA -

    Phosphodiester bond which a covalent bonds between a phosphate group and two 5-carbon ring carbohydrates (pentoses) over two ester bonds

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