BIOMOLECULES AND ENZYMES

Detailed explanation-1: -How many carbohydrates do you need? The Dietary Guidelines for Americans recommend that carbohydrates make up 45% to 65% of total daily calories. So if you get 2, 000 calories a day, between 900 and 1, 300 calories should be from carbohydrates. That translates to between 225 and 325 grams of carbs a day.

Detailed explanation-2: -Adults should consume 45–65% of their total calories from carbohydrates, except for younger children who need a somewhat higher proportion of fat in their diets.

Detailed explanation-3: -Each gram of carbohydrate in food provides four calories of energy. Glucose is the main carbohydrate that the body breaks down for energy. The major pathway by which glucose is broken down for energy requires oxygen, and the final products are carbon dioxide, water, and energy.

Detailed explanation-4: -It is recommended that 20–35% of our daily energy requirement should be supplied through the consumption of fats and oils. In addition to supplying energy, fats are needed to: supply fatty acids that the body needs but cannot make (such as omega-3)