Which of the following types of biomolecules is characterized by a phosphodiester backbone?

A Proteins
B Carbohydrates
C Lipids
D Nucleic acids
Nucleic acids, such as DNA and RNA, are characterized by a phosphodiester backbone, which is formed by the linkage of nucleotides through phosphodiester bonds.
Campbell Biology
Fundamentals of Biochemistry Biochemistry Biomolecules Easy MEDICAL Confidence: high