Biochemistry - Carbohydrates 2

Sucrose is made of ____ & ________

• Glucose & Glucose

• Glucose & Galactose

• Fructose & Glucose

• Fructose & Galactose

Choose the correct statement about human milk oligosaccharides

• They are digested in the infant gut

• They promote growth of certain bacteria

• They are absorbed by the infant gut

• They are easily destroyed by acidic environment in baby's stomach

Cyclization of glucose leads to the formation of _____________

• Epimers

• Anomers

• Enantiomers

• Meso forms

___________ ring is formed during cyclization

• aldehyde

• acetal

• hemiacetal

• acetic acid

Anomers are optically inactive

• True

• False

Optically active anomers differ in their -OH group arrangement on _______________

• penultimate carbon

• C4

• C3

• C1 of aldose or C2 of ketose

A sugar with a free -OH can be called a reducing sugar

• True

• False

___________________ is a non-reducing sugar

• Glucose

• Fructose

• Sucrose

• Maltose