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Biochemistry
Tell the bond (X, Y, Z) in the structure of DNA:
X-Hydrogen bond, Y-beta N glycosidic bond, Z-3' 5' phosphodiester bond
X-Hydrogen bond, Y-beta O glycosidic bond, Z-2' 5' phosphodiester bond
X-Hydrogen bond, Y-beta N glycosidic bond, Z-2' 3' phosphodiester bond
X-Hydrogen bond, Y-phosphodiester bond, Z-3' 5' beta N glycosidic bond
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