Interpretation:
The kind of bond should be determined which is formed when two monosaccharides combine to form a disaccharide.
Concept introduction:
A biological molecule which consists of carbon, hydrogen and oxygen is known as saccharide or carbohydrate. The general formula of saccharide is
Saccharides are classified as: monosaccharides, disaccharides and polysaccharides.
Monosaccharides are defined as a simpler carbohydrate which contains one sugar molecule and can’t ne hydrolysed into smaller carbohydrate.
Disaccharides are defined as a saccharide which contains two sugar molecules that is when two monosaccharides are linked by glycosidic bonds. It is a double ring structure.
Polysaccharides are defined as a saccharide which contains many units of sugar molecules that is more than two monosaccharides are linked by glycosidic bonds
Answer to Problem 54A
Two monosaccharides react with each other to form a disaccharide with the formation of ether bond (ROR’).
Explanation of Solution
The reaction between two monosaccharide results in the formation of disaccharide.
For an example: When glucose and fructose reacts with each other, result in the formation of a disaccharide that is sucrose.
The reaction is shown as:
According to the above reaction, glucose and fructose react with each other to form sucrose with the formation of ether bond (ROR’) and removal of a water molecule.
Thus, two monosaccharides react with each other to form a disaccharide with the formation of ether bond (ROR’).
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