Which quantity represent the largest amount f stored energy 10g of fat or 10g of protein?

10 grams of fat represent a larger amount of stored energy compared to 10 grams of protein. Fat provides approximately 9 calories per gram, while protein provides about 4 calories per gram. Therefore, 10 grams of fat would yield around 90 calories, while 10 grams of protein would yield about 40 calories, making fat the more energy-dense macronutrient.