In a single DNA strand, the phosphate group binds to the
Biology · High School · Mon Jan 18 2021
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In a single DNA (deoxyribonucleic acid) strand, the phosphate group binds to the 5' carbon of the sugar molecule, which is called deoxyribose. To be more specific, the phosphate group is attached to the 5' carbon via a phosphodiester bond to form the sugar-phosphate backbone of the DNA strand. The same phosphate group also forms another phosphodiester bond with the 3' carbon of the adjacent sugar molecule, thereby linking the sugar molecules of adjacent nucleotides together in the chain.