Lipids/fats play important roles in living things, including making up the majority of ALL cell membranes. Select the one correct role they do for living things from the choices below.

a
primary energy source produced in photosynthesis
b
excellent insulators
c
enzymes
d
low calorie source of dietary fiber

The correct answer is b) excellent insulators.

The correct role that lipids/fats play in living things is:

b) excellent insulators

Lipids/fats act as excellent insulators in living things.