Bio 1230 chapter 3

What is the process called that involves the removal of water to form a bond between molecules?

• A) Hydrolysis

• B) Oxidation

• C) Dehydration

• D) Reduction

Which reaction involves the breaking of a bond in a molecule using water?

• A) Dehydration

• B) Hydrolysis

• C) Reduction

• D) Oxidation

Which of the following is NOT one of the four major classes of biological macromolecules?

• Carbohydrates

• Lipids

• Enzymes

• Nucleic Acids

What element do all organic molecules contain?

• Hydrogen

• Oxygen

• Nitrogen

• Carbon

Aside from carbon, which other elements might organic molecules contain?

• Hydrogen, oxygen, nitrogen

• Sodium, potassium, chlorine

• Iron, calcium, phosphorus

• Sulfur, magnesium, copper

What are individual subunits that make up macromolecules called?

• Polymers

• Dimers

• Monomers

• Carbohydrates

What is formed when two monomers are linked together by a covalent bond?

• A polymer

• A carbohydrate

• A monomer

• A dimer

What type of synthesis is involved in the formation of dimers and polymers from monomers?

• Hydrolysis

• Oxidation

• Dehydration synthesis

• Reduction

What is formed when two glucose molecules undergo dehydration synthesis?

• Sucrose

• Lactose

• Maltose

• Fructose

During the dehydration synthesis of maltose, what type of molecule is released as a byproduct?

• Oxygen

• Carbon dioxide

• Water

• Hydrogen peroxide