Multiple Choice
In human nutrition, which macronutrient provides the most calories per gram?
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1. Science of Nutrition
Energy in Food
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In nutrition, fat provides about 9 kcal per gram. How many kilocalories (kcal) does 25 g of fat provide?
A
225 kcal
B
100 kcal
C
250 kcal
D
175 kcal
Verified step by step guidance1
Identify the energy provided by fat per gram, which is 9 kcal/g.
Note the amount of fat given in the problem, which is 25 grams.
Use the formula to calculate total energy: \(\text{Total kcal} = \text{grams of fat} \times \text{kcal per gram}\).
Substitute the values into the formula: \(\text{Total kcal} = 25 \times 9\).
Multiply to find the total kilocalories provided by 25 g of fat.
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