Question

In $DNA$ strand, the nucleotides are linked together by

• A. glycosidic bonds
• B. phosphodiester bonds
• C. peptide bonds
• D. hydrogen bonds

Answer 1

Answer: (B)

phosphodiester bonds

Answer 2

Two nucleotides are linked through $3' \rightarrow 5'$ phosphodiester linkage to form a dinucleotide. More nucleotides are joined in a similar manner to form a polynucleotide chain.