A calorie is defined as the amount of energy needed to raise the temperature of one gram of water by one degree Celsius. However, in nutritional terms, a calorie represents the amount of energy available in a particular food that is available to the body after digestion and metabolism. This energy can come from carbohydrates, fats, or proteins present in the food.

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A Calorie Represents

Question 23

Multiple Choice

A calorie represents

A) the number of grams of fat in a food product.
B) the number of times an enzyme can be reused before it must be replaced.
C) the amount of energy needed to raise the temperature of one liter of water by one degree Celsius.
D) the temperature at which a gram of food is completely converted into carbon dioxide.

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