Macromolecules Quiz

What are organic molecules?

• Compounds that contain carbon atoms bonded to hydrogen atoms
• Compounds that contain only hydrogen atoms
• Compounds that contain only oxygen atoms
• Compounds that contain no carbon atoms

What is a biological marcomolecule?

• A type of inorganic compound found in nature
• A substance that is not composed of subunits
• A small molecule with no essential function in living organisms
• A large molecule essential for life and composed of smaller subunits

What are the elements of a carbohydrate?

• Carbon, hydrogen, and oxygen
• Nitrogen, hydrogen, and oxygen
• Carbon, helium, and nitrogen
• Sodium, carbon, and oxygen

What are some functions of carbohydrates?

• Transportation, communication, coordination
• Muscle contraction, nerve transmission, waste elimination
• Vision, hearing, taste
• Main energy source, cellular structure support, immune system function

What are some examples of carbohydrates?

• Sugars, starches, and wheat

• Enzymes, nucleic acids, and amino acids
• Minerals, water, and lipids
• Proteins, fats, and vitamins

What are the functional group(s) of carbohydrates?

• Amino and carboxyl
• Phosphate and sulfhydryl
• Cellulose and Glycosidic Linkage

• Methyl and aldehyde

What is a dehydration synthesis/condensation reaction?

• A reaction in which a molecule combines with oxygen to form water and carbon dioxide
• A chemical reaction that joins two molecules together with the formation of a chemical bond and involves the elimination of a molecule of water.

• A reaction in which a larger molecule breaks down into two smaller molecules
• A reaction in which two molecules combine to form a smaller molecule

Define polysaccharide.

• A type of protein found in animal cells.
• A simple sugar molecule.
• A complex carbohydrate composed of multiple sugar units.
• A lipid composed of glycerol and fatty acids.

What is a hydrolysis reaction?

• A chemical reaction that breaks a chemical bond between two molecules and involves the use of a water molecule.

• A reaction in which a compound is broken down by the addition of oxygen.
• A reaction in which a compound is broken down by the addition of nitrogen.
• A reaction in which a compound is broken down by the addition of carbon dioxide.

What is cellulose and glycogen?

• Complex carbohydrates found in animals and stored glucose in plants
• Simple sugars found in plants and stored glucose in animals
• Protein found in plants and stored glucose in animals
• Complex carbohydrates found in plants and stored glucose in animals