位置5的问题 Which of the following is NOT an energy-producing nutrient?a. Fat b. Water c. Carbohydratesd. Protein单项选择题
A
a. Fat
B
b. Water
C
c. Carbohydrates
D
d. Protein

Question

位置5的问题 Which of the following is NOT an energy-producing nutrient?a. Fat b. Water c. Carbohydratesd. Protein

BlackTom AI · Accepted Answer

The question asks which option is NOT an energy-producing nutrient.
Option a: Fat – fats provide a high energy yield (about 9 kcal per gram) and are a major energy source, so this is an energy-producing nutrient.
Option b: Water – water contains no calories and does not supply energy; it does not contribute to energy production. This makes it the correct choice for NOT being energy-producing.
Option c: Carbohydrates – carbohydrates yield energy (approximately 4 kcal per gram) and are a primary energy source, so this is an energy-producing nutrient.
Option d: Protein – while the body can metabolize protein for energy if needed, protein’s primary role is in growth and repair; nonetheless, it does provide energy when used as fuel, so it is also an energy-producing nutrient.
In short, all options except water contribute energy, with water uniquely providing no energy at all.

位置5的问题 Which of the following is NOT an energy-producing nutrient?a. Fat b. Water c. Carbohydratesd. Protein单项选择题

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