Carbohydrates: Disaccharides and Polysaccharides

What are the two monosaccharides that make up sucrose?

• Glucose and Fructose

• Glucose and Mannose

• Fructose and Galactose

• Glucose and Galactose

Which glycosidic linkage is found in sucrose?

• Alpha 1,4

• Alpha 1,6

• Beta 1,4

• Alpha 1,2

What is the second monosaccharide in lactose?

• Fructose

• Galactose

• Ribose

• Mannose

Which enzyme can break down the alpha 1,4 glycosidic linkage in maltose?

• Lactase

• Amylase

• Cellulase

• Invertase

What type of glycosidic linkage is found in cellobiose?

• Alpha 1,6

• Beta 1,6

• Alpha 1,4

• Beta 1,4

What is the main storage polysaccharide in plants?

• Cellulose

• Chitin

• Glycogen

• Starch

Which polysaccharide is similar in structure to amylopectin but has more branches?

• Cellulose

• Glycogen

• Chitin

• Starch

Why can't humans digest cellulose?

• Lack of lactase

• Lack of cellulase

• Lack of amylase

• Lack of invertase

What is chitin primarily composed of?

• Glucose

• N-acetylglucosamine

• Galactose

• Fructose

What is the defining feature of an N-glycoside?

• Bonded to two oxygens

• Bonded to a sulfur

• Bonded to a phosphate

• Bonded to a nitrogen