where do the 6 carbon atoms in glucose come from
Glucose Glucose is a simple sugar with the molecular formula C6H12O6. Glucose circulates in the blood of animals as blood sugar. It is made during photosynthesis from water and carbon dioxide, using energy from sunlight. It is the most important source of energy for cellular respiration. Glucose is stored as a polymer, in plants as starch and in animals as glycogen.
Monosaccharide With few exceptions (e.g., deoxyribose), monosaccharide have this chemical formula: Cx(H2O)y, where conventionally x â‰¥ 3. Monosaccharides can be classified by the number x of carbon atoms they contain: triose (3), tetrose (4), pentose (5), hexose (6), heptose (7), and so on.