BIOMOLECULES AND ENZYMES

Detailed explanation-1: -In energy metabolism, glucose is the most important source of energy in all organisms. Glucose for metabolism is stored as a polymer, in plants mainly as starch and amylopectin, and in animals as glycogen. Glucose circulates in the blood of animals as blood sugar.

Detailed explanation-2: -Glucose is the main type of sugar in the blood and is the major source of energy for the body’s cells. Glucose comes from the foods we eat or the body can make it from other substances. Glucose is carried to the cells through the bloodstream.

Detailed explanation-3: -The sources are: 1. From Carbohydrates of the Diet 2. From Various Glucogenic Compounds 3. From Liver Glycogen by Glycogenolysis.

Detailed explanation-4: -We have two sources of glucose: 1) food, 2) products of metabolism. Food contains carbohydrates, lipids, proteins, etc. Dietary carbohydrates are digested to yield simple sugar molecules in the gut.