Triacylglycerols are a major energy store and yield about 9 kcal per gram when completely oxidized.
Answer
true
Explanation
The material describes triacylglycerols as a major fuel store and gives an energy yield of about 9 kcal/g for fatty-acid oxidation, compared with about 4 kcal/g for carbohydrate or protein. **Key takeaway:** Triacylglycerols are energy-dense storage lipids. **Glossary:** Oxidation: chemical process that releases energy from fuel molecules.