Which of the following nutrients are the most energy dense minerals carbohydrates vitamins fats

Hello Welcome to

heres your answer

The macronutrients -- fat, protein and carbohydrates -- are high in energy density, which means that they have 4 or more calories per gram. The other essential nutrients -- water, vitamins and minerals -- have no calories, so they provide no energy.

your welcome :}

answer: substrate concentration. enzymes work best when there is a high enough substrate concentration for the reaction they catalyse.