Which biomolecules provide the MOST energy per gram?
A) proteins
B) carbohydrates
C) triacylglycerols
D) Protein and carbohydrates provide more energy than triacylglycerols.
E) Proteins, carbohydrates, and triacylglycerols provide the same amount of energy.

Question

Quizplus · Accepted Answer

Triacylglycerols (fats) provide the most energy per gram, approximately 9 kcal/g, compared to proteins and carbohydrates, which both provide about 4 kcal/g.

Which Biomolecules Provide the MOST Energy Per Gram