Briefly describe the function of the four types of organic compounds.
1. carbohydrates. stores cellulose and provides structural support in plants (____), fungi, and arthropods (chitin)
2. lipids. can store long-term (____); provides waxy coatings (plant leaves/ear wax), makeup hormones, and steroids.
3. proteins. essential structural component of body tissues; (____) help catalyze (speed up) chemical reactions.
(number four doesn't matter)