Disaccharide

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Examples of disaccharides:  
 
Examples of disaccharides:  
  
Maltose: two monomers of alpha-[[Glucose|glucose]] joined by an alpha 1,4 [[Glycosidic bond|glycosidic bond]].   
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*[[Maltose|Maltose]]: two monomers of alpha-[[Glucose|glucose]] joined by an alpha 1,4 [[Glycosidic bond|glycosidic bond]]. 
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*[[Lactose|Lactose]]: one [[galactose|galactose]] monomer and one [[glucose|glucose]] molecule joined by a beta 1,4 glycosidic bond. Lactose is the major sugar in milk.
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*[[Sucrose|Sucrose]]: one glucose monomer and one [[fructose|fructose]] monomer joined by an alpha 1,2 glycosidic bond. Sucrose is a product of [[photosynthesis|photosynthesis]] in [[plants|plants]]<ref>Molecular Cell Biology 2013 (Seventh Edition) Lodish et al. page 39</ref>.
  
Lactose: one galactose monomer and one glucose molecule joined by a beta 1,4 glycosidic bond. Lactose is the major sugar in milk.
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=== References<br>  ===
  
Sucrose: one glucose monomer and one fructose monomer joined by an alpha 1,2 glycosidic bond. Sucrose is a product of photosynthesis in plants.
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References:
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Molecular Cell Biology 2013 (Seventh Edition) Lodish et al page 39
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Latest revision as of 13:33, 30 November 2018

A disaccharide is a carbohydrate polymer composed of two sugar monomers (monosaccharides) which are joined by a glycosidic bond formed by a condensation reaction. Disaccharides are the simplest forms of polysaccharides. 

Examples of disaccharides:

References

  1. Molecular Cell Biology 2013 (Seventh Edition) Lodish et al. page 39

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