Carbohydrates are the body’s primary and immediate source of the energy.
Further Explanation:
Energy is a prime requirement of the body so as to function properly. This need of body is fulfilled by the help of process of metabolism. This process can be defined as the steps through which a macromolecule undergoes so as to form simple monomers and at last ATP.
ATP is the main of energy in living organism. This molecule undergoes cleavage to release energy. This energy is utilized by the organism to bring about various essential life processes. The number of macronutrients present in the food determines the nutritional value of the food. The macronutrients are carbohydrates, proteins, fats, vitamins and minerals.
Catabolism the process of breaking down of nutrients to form energy specifically starts from the carbohydrates. One gram of carbohydrates gives four calories of energy. In the absence of carbohydrates the fats in body is catalyzed to meet the energy requirements. One gram of fat gives nine calories of energy.
Thus, the first nutritional component of food that is digested is carbohydrates and the immediate and primary energy demand of the body is met by their metabolism.
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Answer Details:
Grade: High School
Subjects: Biology
Topic: Metabolism of the food.
Keywords:
Carbohydrates, fats, proteins, ATP, energy production, primary source of energy, catabolism, anabolism, metabolism.
