BIOMOLECULES AND ENZYMES

Detailed explanation-1: -When you eat carbs, your body breaks them down into simple sugars, which are absorbed into the bloodstream. As the sugar level rises in your body, the pancreas releases a hormone called insulin. Insulin is needed to move sugar from the blood into the cells, where the sugar can be used as a source of energy.

Detailed explanation-2: -Carbohydrate has two important advantages, over fat, as a metabolic fuel; it is the only fuel that can produce ATP in the absence of oxygen, and more ATP is produced per O2 consumed when glucose is oxidized, compared with when fat is oxidized.

Detailed explanation-3: -Carbohydrates are the body’s main space of energy. In their absence, your body will use protein and fat for energy. Healthy sources of carbohydrates such as starchy foods, vegetables, fruits, legumes and lower fat diary products are also an important source of nutrients such as calcium, iron and B−vitamins.