Question

the model shows the chemical structure of a molecule. this molecule is a building block of which type of biomolecule? carbohydrate protein lipid nucleic acid

Explanation:

The molecule shown has a phosphate - group, a five - carbon sugar, and a nitrogenous base, which are the components of a nucleotide. Nucleotides are the building blocks of nucleic acids. Carbohydrates are made of monosaccharides, proteins are made of amino acids, and lipids have different structures such as fatty acids and glycerol.

Answer:

nucleic acid