Which of the following i describes an important function of lipids
a. lipids form cellulose, which gives plants structure.
b. lipids make leaves waterproof.
c. lipids store hereditary information.
d. lipids plants absorb the suns energy

the correct option will be option B. (Lipids make leaves waterproof)

Explanation:

Lipids are a class of compounds which are insoluble in water but are soluble in organic solvents and plays important roles in animal and plants.

Lipids form a class of molecules called Waxes which are long chain non-polar lipid formed by fatty acids and alcohols (–OH) group.Plants use these waxes as a protective coating which prevents water from sticking on surfaces due to hydrophobic tails in their  structure.

thus option B is the correct answer.

answer: 45

explanationyou have to add as well to be it could be

since there are no options posted i'll give you a few examples.

a dolphin's flipper, bird's wing, cat's leg.