BIOMOLECULES AND ENZYMES

Detailed explanation-1: -Fats are the slowest source of energy but the most energy-efficient form of food. Each gram of fat supplies the body with about 9 calories, more than twice that supplied by proteins or carbohydrates. Because fats are such an efficient form of energy, the body stores any excess energy as fat.

Detailed explanation-2: -Carbohydrates-fiber, starches and sugars-are essential food nutrients that your body turns into glucose to give you the energy to function. Complex carbs in fruits, vegetables and whole-grain products are less likely to spike blood sugar than simple carbs (sugars).

Detailed explanation-3: -Carbohydrates are one of the six major nutrients and the main source of energy. Examples of carbohydrates include sugars, starch, and fiber in the diet.

Detailed explanation-4: -Healthful carbohydrates include fruit, vegetables, legumes, whole grains, and some cereals. These foods contain essential vitamins, minerals, fiber, and key phytonutrients. The Mediterranean diet has a moderate amount of carbohydrates from natural sources plus some animal or fish protein.