Glucose is a simple sugar with the molecular formula C₆H₁₂O₆. Glucose travels in the blood of animals as blood sugar. It is produced through photosynthesis from water and carbon dioxide, using energy from sunlight.Carbohydrates are one of the four essential macromolecules of life. They are a polymer produced up of monomers described as monosaccharides. These building blocks are simple sugars, e.g., glucose.
