Problem: Identify the type of glycosidic linkage in the disaccharide, and the monosaccharide units produced by hydrolysis. a) β(1→4)b) α(1→4)c) α(1→2)d) β(1→6)The monosaccharide units produced by hydrolysis are ______. a) fructose and glucose b) both lactosec) both glucose d) galactose and glucose

FREE Expert Solution

We are asked to identify the type of glycosidic linkage in the disaccharide, and the monosaccharide units produced by hydrolysis. 


Disaccharides are two monosaccharides bound by an O-glycosidic linkage (α or β) 

  • Two alcohols react in a condensation mechanism to release water and form an acetal linkage 
  •  Will not mutorotate, unless hydrolyzed

An example of the reaction is shown below: 


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Problem Details

Identify the type of glycosidic linkage in the disaccharide, and the monosaccharide units produced by hydrolysis. 

a) β(1→4)

b) α(1→4)

c) α(1→2)

d) β(1→6)

The monosaccharide units produced by hydrolysis are ______. 

a) fructose and glucose 

b) both lactose

c) both glucose 

d) galactose and glucose