PolymerHard
Question
Which one of the following sets of monosaccharides forms sucrose ?
Options
A.α-D - galactopyranose and α-D - glucopyranose
B.α - D - glucopyranose and β - D - fructofuranose
C.β - D - glucopyranose and α - D - fructofuranose
D.α - D - glucopyranose and β - D - fructofuranose
Solution
Sucrose is composed of α- D - glucopyranose and β - D - fructofuranose units which are joined by α,β - glycosidic linkage between C - 1 of the glucose units and C - 2 of the fructose units.
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