LIFE SCIENCE

Detailed explanation-1: -Carbohydrates and lipids are made up of carbon, hydrogen, and oxygen. Carbon, hydrogen, oxygen, and nitrogen make up proteins. There are a limited number of common atoms in food.

Detailed explanation-2: -Humans obtain energy from three classes of fuel molecules: carbohydrates, lipids, and proteins. The potential chemical energy of these molecules is transformed into other forms, such as thermal, kinetic, and other chemical forms.

Detailed explanation-3: -Carbohydrates, or carbs, are sugar molecules. Along with proteins and fats, carbohydrates are one of three main nutrients found in foods and drinks. Your body breaks down carbohydrates into glucose. Glucose, or blood sugar, is the main source of energy for your body’s cells, tissues, and organs.

Detailed explanation-4: -Answer and Explanation: The large food molecules are carbohydrates, proteins, and lipids/fats.