DNA Is a Double-Stranded Nucleic Acid That Exists as a Double

question 52

Multiple Choice

DNA is a double-stranded nucleic acid that exists as a double helix. Which is responsible for holding the double helix of DNA together?

• A)phosphodiester bonds between complementary base pairs on each strand
• B)\(\beta\)-N-glycosidic linkages between the sugar-phosphate backbone of each strand
• C)disulfide bonds between the cysteine residues on each strand
• D)hydrogen bonding between complementary bases on each strand

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