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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. Glucose, used as an energy source and for the synthesis of starch, glycogen and cellulose, is a hexose .
Monosaccharides are carbohydrates in the form of simple sugars. Like disaccharides , they are sweet, water soluble and crystalline . The main article for this category is Monosaccharides .
Similar to the disaccharides, each glycosidic bond can be formed between any hydroxyl group on the component monosaccharides. Even if all three component sugars are the same (e.g., glucose), different bond combinations (regiochemistry) and stereochemistry (alpha- or beta-) result in trisaccharides that are diastereoisomers with different ...
In chemistry, a hexose is a monosaccharide (simple sugar) with six carbon atoms. [1] [2] The chemical formula for all hexoses is C 6 H 12 O 6, and their molecular weight is 180.156 g/mol. [3] Hexoses exist in two forms, open-chain or cyclic, that easily convert into each other in aqueous solutions. [4]
The elementary formula of a simple monosaccharide is C n H 2n O n, where the integer n is at least 3 and rarely greater than 7. Simple monosaccharides may be named generically based on the number of carbon atoms n : trioses , tetroses , pentoses , hexoses , etc.
Polysaccharides are considered to be polymers of monosaccharides containing ten or more monosaccharide residues. [2] Polysaccharides have been given trivial names that reflect their origin. [2] Two common examples are cellulose, a main component of the cell wall in plants, and starch, a name derived from the Anglo-Saxon stercan, meaning to ...
A triose is a monosaccharide, or simple sugar, containing three carbon atoms. There are only three possible trioses: the two enantiomers of glyceraldehyde, which are aldoses; and dihydroxyacetone, a ketose which is symmetrical and therefore has no enantiomers. [1] Trioses are important in cellular respiration.
[2] [3] Natural saccharides are generally composed of simple carbohydrates called monosaccharides with general formula (CH 2 O) n where n is three or more. Examples of monosaccharides are glucose, fructose, and glyceraldehyde. [4] Polysaccharides, meanwhile, have a general formula of C x (H 2 O) y where x and y are usually large numbers between ...