NURSING ANM AND GNM

Detailed explanation-1: -Fat has more than twice as many calories per gram as carbohydrates and proteins.

Detailed explanation-2: -All three provide energy (measured in calories), but the amount of energy in 1 gram (1/28 ounce) differs: 4 calories in a gram of carbohydrate or protein. 9 calories in a gram of fat.

Detailed explanation-3: -Fat provides the most energy of all the macronutrients, at a whopping 9 calories per gram. That’s why even a small amount of food or condiments that are rich in fat can pack so many calories.

Detailed explanation-4: -Because one triglyceride molecule yields three fatty acid molecules with as much as 16 or more carbons in each one, fat molecules yield more energy than carbohydrates and are an important source of energy for the human body.