Question

Which one of the following is not correct ?

• A. $D(-)$ Fructose exists in furanose structure
• B. $D(+)$ Glucose exists in pyranose structure
• C. In sucrose the two monosaccharides are held together by peptide linkage.
• D. Maltose is a reducing sugar.

Answer 1

Answer: (C)

In sucrose the two monosaccharides are held together by peptide linkage.

Answer 2

In sucrose, the monosaccharide units are linked with glycosidic linkage.