Like polysaccharides can be used as storage of nutrients (such as starch and glycogen) or as animal exoskeleton and plant cell cell walls (such as: chitin and cellulose); the other is like a five carbon aldehyde (Such as ATP, FAD and NAD) are also the backbone of some genetic material molecules (such as RNA). Many of the derivatives of carbohydrates are also associated with the immune system, fertilization, prevention of disease, blood coagulation and growth have a great association.
Carbohydrates as an important body of nutrients, mainly divided into four categories: monosaccharides, disaccharides, oligosaccharides and polysaccharides.
