Medical Dictionary

phosphodiester bond


Medical Definition of phosphodiester bond

  1. :  a covalent bond in RNA or DNA that holds a polynucleotide chain together by joining a phosphate group at position 5 in the pentose sugar of one nucleotide to the hydroxyl group at position 3 in the pentose sugar of the next nucleotide—called also phosphodiester linkage

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capable of being understood in two ways

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