1.

In DNA, nucleotides are covalently joined together by

A. 3', 5' phosphodiester bonds to form a repetitive sugar-phosphate chain
B. 2', 5' phosphodiester bonds to form a repetitive sugar-phosphate chain
C. 2', 3' phosphodiester bonds to form a repetitive sugar-phosphate chain
D. 3', 4' phosphodiester bonds to form a repetitive sugar-phosphate chain
Answer» B. 2', 5' phosphodiester bonds to form a repetitive sugar-phosphate chain


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