The two types of bonding found in a DNA molecule are _____.
A) ionic and covalent
B) covalent and peptide
C) ionic and hydrogen
D) peptide and hydrogen
E) covalent and hydrogen

Question

The two types of bonding found in a DNA molecule are _____.​
A) ​ionic and covalent
B) ​covalent and peptide
C) ​ionic and hydrogen
D) ​peptide and hydrogen
E) ​covalent and hydrogen

Quizplus · Accepted Answer

DNA molecules feature two main types of bonding: covalent bonds, which hold the sugar-phosphate backbone of the DNA together, and hydrogen bonds, which are responsible for the pairing of the nitrogenous bases across the two strands, thus stabilizing the double helix structure.

The Two Types of Bonding Found in a DNA Molecule