5 Questions
Disaccharides are a carbohydrate in which two ______ are bonded together
monosaccharides
Monosaccharide + monosaccharide = ______ + H2O
disaccharide
In disaccharide formation, one of the monosaccharide reactants functions as a ______
hemiacetal
In disaccharide formation, the other monosaccharide functions as an ______
alcohol
The bond in a disaccharide resulting from the reaction between the hemiacetal carbon atom –OH group of one monosaccharide and an –OH group on the other monosaccharide is called ______
glycosidic linkage
Study Notes
Disaccharides Formation
- Disaccharides are a type of carbohydrate consisting of two monosaccharides bonded together.
- The formation of disaccharides involves a dehydration reaction, where two monosaccharides react to form a disaccharide and water (H2O): monosaccharide + monosaccharide = disaccharide + H2O.
- In this reaction, one of the monosaccharide reactants acts as a nucleophile.
- The other monosaccharide reactant functions as an electrophile.
- The resulting bond in a disaccharide is formed between the hemiacetal carbon atom –OH group of one monosaccharide and an –OH group on the other monosaccharide, and is called a glycosidic bond.
Test your knowledge on disaccharides and their formation with this quiz. Learn about the different types of disaccharides, the role of hemiacetals and alcohols in their formation, and the glycosidic linkage that bonds them together.
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