Question

phospholipids are a building block of cell membranes. to which group of biomolecules do phospholipids belong? carbohydrates lipids nucleic acids proteins

Explanation:

Phospholipids are a type of lipid. They have a hydrophilic head and hydrophobic tails and are key components of cell - membranes. Carbohydrates are mainly for energy storage and structural support in plants. Nucleic acids store and transmit genetic information. Proteins have diverse functions like catalysis and structural support. But phospholipids belong to lipids.

Answer:

lipids