Question

multiple choice question
which class of macronutrients provide the most energy per gram?

fat
protein
carbohydrate

Explanation:

To determine which macronutrient provides the most energy per gram, we refer to nutritional science. Fats provide approximately 9 calories per gram, while proteins and carbohydrates each provide about 4 calories per gram. So, fat has the highest energy yield per gram among these macronutrients.

Answer:

A. Fat