ICSE BoardEnglish MediumSTD 9BIOLOGYNutrition : Classes of Food2 Marks
Question
Do proteins ever serve as a source of energy? it yes, when?
✓
Answer
Protein can also be used as a secondary source of energy when insufficient carbohydrate and fat are available to meet the bodies needs. Although its not its primary role. 1g of protein contains 17kJ/4 kcal of energy.
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