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 is 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 building - blocks like fatty acids and glycerol.

Answer:

nucleic acid