How do proteins differ from fats in their energy value and their role in the body ?

Explanation

The calorific value and physiological fuel value of one gram of protein are 5.65 kcal and 4 Kual respectively, Fat has a calorific value of 9.45 Kcal and the physiological fuel value of 9 Keal per gram. Proteins are the source of amino acids required for growth and repair of hody cells. They are stored in the body only to a certain extent. They replace the wom out protoplasm. They are important for the production of many enzymes, hormones and plasma The catabolism of amino acids releases toxic nitrogenous wastes which are removed by the kidneys.