Phosphodiester bond

phosphodiester bond phos·pho·di·es·ter bond (fŏs’fō-dī-ěs’tər)
The covalent chemical bond that holds together the polynucleotide chains of RNA and DNA by joining a specific carbon in the phosphate group in a sugar having five carobs, such as ribose, to a specific carbon in the hydroxyl group of the five-carbon sugar in the adjacent nucleotide.


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  • Phosphoglyceride

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  • Phosphohexose isomerase deficiency

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    [fos-foh-lahy-peys, -peyz] /ˌfɒs foʊˈlaɪ peɪs, -peɪz/ noun, Biochemistry. 1. any of a group of enzymes that catalyze the breaking down of . phospholipase phos·pho·lip·ase (fŏs’fō-lĭp’ās’, -lī’pās’) n. An enzyme that catalyzes the hydrolysis of a phospholipid. Also called lecithinase.

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