Question

match the picture with the name of the group of molecules it represents.

Explanation:

A shows a phospholipid structure with a phosphate - containing head and fatty - acid tails, characteristic of lipids. B shows a disaccharide structure with two sugar units joined by a glycosidic bond, which is a type of carbohydrate. C shows the general structure of an amino acid with an amino group, a carboxyl group, and a side - chain (R - group). D shows a nucleic - acid structure with nucleotides linked by phosphodiester bonds.

Answer:

A. Lipid
B. Carbohydrate
C. Amino acid
D. Nucleic acid