BIOMOLECULES AND ENZYMES

BIOLOGY

CARBOHYDRATES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
How many calories per gram does carbohydrates provide for energy?
A
9
B
6
C
4
D
10
Explanation: 

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: -Each gram of carbohydrate and protein yield 4 calories/gram.

Detailed explanation-3: -Sliding down the label to the total carbohydrates it reads sugars “4g, ” or “4 grams.” This important bit of information is your key to converting grams into teaspoons. Four grams of sugar is equal to one teaspoon. To be precise, 4.2 grams equals a teaspoon, but the nutrition facts rounds this number down to four grams.

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