What element differentiate the amino acids of protein from the sugar of carbohydrate

proteins

Explanation:

carbohydrates and fats are made from three basic molecules: Carbon, hydrogen and oxygen. All proteins contain an element not found in carbohydrates and fats, nitrogen and some proteins also contain sulfur. The main unit that builds all carbohydrates is monosaccharide, or sugar while triglycerides make fats and proteins consist of amino acids.