Glucose is a simple sugar and a primary source of energy for living organisms. It is a carbohydrate and is also known as a monosaccharide. Glucose is commonly found in foods such as fruits, vegetables, and honey. It is an essential nutrient for the human body and is transported through the bloodstream to provide energy to cells.

In the process of cellular respiration, glucose is broken down in the presence of oxygen to release energy. This energy is used by cells to perform various functions and activities. Glucose can be stored in the form of glycogen in the liver and muscles for later use when the body needs energy.

Glucose is not only vital for energy production but also serves as a building block for other carbohydrates, such as starch and cellulose. It is also involved in other biological processes, such as the synthesis of nucleotides and glycoproteins.

In medical contexts, glucose levels in the blood are commonly measured to assess a person’s blood sugar level. Maintaining a stable blood glucose level is crucial for overall health, and imbalances can lead to conditions like diabetes.