The most frequent monosaccharides have 5 or 6 carbon atoms and exhibit hydroxyl (-OH) groups in various locations and spatial configurations. Monosaccharides have 3 to 8 carbon atoms. They are sometimes referred to as simple sugars since they are the most basic type of carbohydrate and cannot be further broken into smaller subunits. A monosaccharide is one that has the suffix -ose. For more: Mannotetraose squarate
