NUTRITION
PROTEIN
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
|
9
|
|
|
4
|
|
|
8
|
|
|
6
|
Detailed explanation-1: -Carbohydrates provide 4 calories per gram, protein provides 4 calories per gram, and fat provides 9 calories per gram.
Detailed explanation-2: -A gram of protein is always four calories, but you will have to use energy to digest it. The energy needed to digest protein is 0.8-1.2 calories per gram, leaving you effectively with 2.8-3.2 surplus calories per gram of protein. Pure amino acids are “pre-digested” and should thus be quite close to 4 calories per gram.
Detailed explanation-3: -Lipids (fats) are found predominately in butter, margarine, lard, oils, meats, animal fat, dairy products, nuts, seeds, and many processed foods. Lipids provide more energy per gram than carbohydrates (9 calories per gram of lipids versus 4 calories per gram of carbohydrates).
Detailed explanation-4: -Concept: Carbohydrates provide 4 kcal/gram of energy. Carbohydrates, fats, and proteins provide most of the energy.