Complex Carbohydrates Are Polysaccharides

Carbohydrates consist of sugar molecules while nucleic acids do not have any sugar molecules in their structure.

Carbohydrates are sugar molecules consisting of only C, H, and O atoms, while nucleic acids contain sugar molecules and groups containing P and N atoms.

The structure of carbohydrates forms a double helix while the structure of nucleic acids does not.

Carbohydrates contain hydrogen bonds while nucleic acids do not.