Organic macromolecules called are insoluble in water, are often found in biological membranes and other waterproof coverings, and have the ability to store energy for extended periods of time.. a. proteins. b. nucleic acids. c. carbohydrates. d. lipids

I think the correct answer among the choices listed is option D. Organic macromolecules called LIPIDS are insoluble in water, are often found in biological membranes and other waterproof coverings, and have the abilityto store energy for extended periods of time.