HUMAN NUTRITION

NUTRITION

ESSENTIAL NUTRIENTS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which nutrient has double the amount of concentrated energy with 9 calories per gram?
A
carbohydrates
B
proteins
C
fats
D
water
Explanation: 

Detailed explanation-1: -Fats are the slowest source of energy but the most energy-efficient form of food. Each gram of fat supplies the body with about 9 calories, more than twice that supplied by proteins or carbohydrates.

Detailed explanation-2: -Fat is the most concentrated form of food energy. Fat has 9 calories per gram. It is more concentrated because it has more calories per gram than proteins and carbohydrates that both have only 4 calories per gram.

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