A monosaccharide is a simple sugar whereas a polysaccharide consists of chains of monosaccharides or disaccharides bonded together. Both types of molecules are sugars that can be used by organisms as sources of energy. More »

Polymers of protein consists of long chains of monomers called amino acids. There are 20 amino acids. The formation of different proteins entails the linkage of different amino acids through the dehydration synthesis pro... More »

The simplest carbohydrates are called monosaccharides, which have a carbon chain length of between three and seven. Many simple sugars are monosaccharides, including glucose and fructose. Note that glucose and fructose h... More »

Some types of carbohydrate molecules include monosaccharides, disaccharides and polysaccharides. These molecules are often called sugars. Other carbohydrate molecules are oligosaccharides and nucleotides. Carbohydrates a... More »