Monomers, Polymers, Carbohydrates and Enzymes

Hydrolysis is the opposite of a ______ reaction.

• condensation

• oxidation

• reduction

• polymerization

What is the main substrate for respiration?

• Fructose

• Galactose

• Glucose

• Sucrose

The general formula for common monosaccharides is (CH2O)n, where n can be any number from ______ to seven.

• one

• two

• three

• four

What is the result of combining many monosaccharides?

• Monosaccharide

• Disaccharide

• Polysaccharide

• Oligosaccharide

Which polysaccharide is a component of cell walls in plants?

• Glycogen

• Starch

• Cellulose

• Maltose

Which of the following sugars can donate an electron to Benedict's reagent?

• Reducing sugars

• Non-reducing sugars

• Polysaccharides

• Proteins

Fill in the blank: A chemical test for starch is ______.

• Iodine/Potassium Iodide

• Benedict's reagent

• Hydrochloric acid

• Sodium hydrogencarbonate

Fill in the blank: If the solution does not change from blue to brick red, a ______ sugar is not present.

• Reducing

• Non-reducing

• Polysaccharide

• Protein

What is the purpose of using pH paper in the test for non-reducing sugars?

• To check acidity

• To check alkalinity

• To check neutralization

• To check oxidation

Fill in the blank: The Benedict's test for non-reducing sugars involves an additional step of adding ______ after hydrolysis.

• Sodium hydrogencarbonate

• Potassium iodide

• Copper(II) sulfate

• Hydrochloric acid