Question

The nitrogenous bases of the two strands of DNA are joined by

• A. Phosphodiester bond
• B. Hydrogen bond
• C. Glycosidic bond
• D. Peptide bond

Answer 1

Answer: (B)

Hydrogen bond : The bond formed between two polynucleotide strands of DNA.
Glycosidic bond : Formed between the two monosaccharides (sugar).
Peptide bond : Formed between $2$ amino acids.
Phosphodiester bond : Bond formed in nucleic acid i.e. DNA or DNA, between the phosphate and hydroxyl group of sugar