Question

the diagram below shows the structure of dna. what kind of bonds are indicated by the arrow? phosphate bond hydrogen bond nitrogen bond peptide bond

Explanation:

In DNA structure, the complementary base - pairs (A - T and G - C) are held together by hydrogen bonds. Phosphate bonds are involved in the sugar - phosphate backbone, nitrogen bonds are not the correct term for these connections in DNA, and peptide bonds are found in proteins, not DNA.

Answer:

B. hydrogen bond