Triose

Triose is a type of monosaccharide, or simple sugar, that contains three carbon atoms. There are two types of trioses: aldotriose and ketotriose. The aldotrioses have an aldehyde functional group at one end. In contrast, the ketotrioses have a ketone functional group in the middle of the molecule.

Aldotriose

Aldotriose is a type of triose that has an aldehyde functional group at one end. The two aldotrioses, glyceraldehyde and dihydroxyacetone, are important in biochemistry. Glyceraldehyde is involved in many metabolic pathways, including glycolysis, the process by which cells break down sugar to produce energy. Dihydroxyacetone is used in the body to produce glycerol, which is a component of triglycerides, the main form of fat storage in the body.

Ketotriose

Ketotriose is a type of triose that has a ketone functional group in the middle of the molecule. The only ketotriose is dihydroxyacetone, which, as mentioned above, is used in the body to produce glycerol.

Importance in Biochemistry

Trioses are important in biochemistry because they are involved in many metabolic pathways. For example, glyceraldehyde is a key intermediate in glycolysis, the process by which cells break down sugar to produce energy. Dihydroxyacetone, on the other hand, is used in the body to produce glycerol, which is a component of triglycerides, the main form of fat storage in the body.

See Also

• Monosaccharide
• Glycolysis
• Triglycerides

Triose Resources
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