Understanding Carbohydrates: Monosaccharides and Disaccharides

What elements are carbohydrates composed of?

• Carbon, Hydrogen, Nitrogen

• Carbon, Hydrogen, Oxygen

• Carbon, Oxygen, Nitrogen

• Hydrogen, Oxygen, Nitrogen

Which of the following is a function of carbohydrates in living organisms?

• Transporting oxygen in the blood

• Serving as a catalyst in chemical reactions

• Acting as a primary component of DNA

• Providing structural support in plant cell walls

What is the general formula for monosaccharides?

• C6 H12 O6

• CX H2O Y

• C2 H4 O2

• CN H2O n

Which of the following is a hexose sugar?

• Deoxyribose

• Sucrose

• Glucose

• Ribose

What distinguishes alpha glucose from beta glucose?

• The number of carbon atoms

• The position of the hydroxy group on carbon one

• The presence of an additional oxygen atom

• The ability to dissolve in water

Why is glucose considered ideal for transport in the blood?

• It is insoluble in water

• It dissolves easily in water

• It forms strong covalent bonds

• It is a large molecule

How are disaccharides formed?

• Through hydrolysis reactions

• By breaking down polysaccharides

• By joining two monosaccharides via condensation reactions

• Through oxidation reactions

Which disaccharide is formed by combining glucose and fructose?

• Cellulose

• Sucrose

• Maltose

• Lactose

What is released as a byproduct when a disaccharide is formed?

• Oxygen

• Hydrogen

• Carbon dioxide

• Water

What process breaks down disaccharides into monosaccharides?

• Reduction

• Oxidation

• Hydrolysis

• Condensation