Question

4 lipids are the only class of macromolecules that contain: multiple choice nucleotides. phosphate groups. amino acids. fatty acids. monosaccharides.

Explanation:

Nucleotides are in nucleic - acids, phosphate groups are in many molecules including nucleic acids and some proteins, amino acids are in proteins, monosaccharides are in carbohydrates. Lipids are the only major class of macromolecules that contain fatty acids as a major structural component.

Answer:

D. fatty acids