Answer:
Option (Lipid).
Explanation:
Lipids are a class of biomolecules, made up of a glycerol molecule, which remains bonded to the long hydrocarbon chain and some other molecules, depending upon the type of lipid molecule.
The structure, shown by bold letters show a glycerol molecule, by which long hydrocarbon chains are attached. Thus, the given diagram represents structure of a lipid molecule.
Thus, the correct answer is option). lipids.
