<prompt> In the body, metabolism of 10 gms. of protein would produce approximately1 K. Caorie41 K calories410 K calories41 calories  <response>: Calorific value of nutrientsNutrientEnergy yield kcalgramEnergy yield kjoulegramRQ Carbohydrates4161 Fat937.71 Protein4.217.81 Alcohol728.66 Ref: Textbook of biochemistry DM Vasudevan , 6th edition, page no. 432 