Which of the following is not strictly a biomacromolecule?

In which solvent is beeswax completely soluble?

Butter is produced from which of the following fatty acids?

Which of the following lipids does not contain fatty acids?

Following are the statements with reference to 'lipids'.
$(a)$ Lipids having only single bonds are called unsaturated fatty acids.
$(b)$ Lecithin is a phospholipid.
$(c)$ Trihydroxy propane is glycerol.
$(d)$ Palmitic acid has $20$ carbon atoms including carboxyl carbon.
$(e)$ Arachidonic acid has $16$ carbon atoms.
Choose the correct answer from the options given below.

Which of the following are types of fatty acids?