Question

Which of the following disaccharide has different type of linkage?

• A. Maltose
• B. Galactose
• C. Starch
• D. Sucrose

Answer 1

Answer: (D)

Maltose $\stackrel{\text{ hydrolysis }}{\to }$ glucose $+$ glucose Galactose is a monosaccharide.
Starch is a polysaccharide.
Sucrose $\stackrel{\text{ hydrolysis }}{\to }$ glucose $+$ fructose Sucrose is a linkage of glucose and fructosering.
It is a non-reducing sugar.