Biochemistry 2

A major type of lipids found in cell membranes is:

• phospholipids
• waxes
• glycerol
• triglycerides

Which of the following would be correctly classified as a protein?

• cellulose
• cholesterol
• an enzyme
• starch

Which of the following options correctly pairs a polymer and its monomer?

• collagen, nucleic acids
• RNA, ribose
• cellulose, amino acids
• DNA, nucleotides

What are the four molecules of life?

• carbohydrates, lipids, proteins, nucleic acids
• water, earth, wind, fire
• carbon, oxygen, hydrogen, helium
• monomers, polymers, disaccharides, glucose

How do we get energy from food?

• drinking water
• sleeping
• breaking chemical bonds
• exercising

Which macromolecule is used for long term energy storage?

• carbohydrates
• lipids
• proteins
• nucleic acids

Which macromolecule is used for short term energy storage?

• carbohydrates
• lipids
• proteins
• nucleic acids

Why do lipids have more energy than carbohydrates?

• carbohydrates have more chemical bonds
• lipids taste better so we eat more of them
• carbohydrates taste better so we eat more of them
• lipids have more chemical bonds

What are the monomers for carbohydrates?

• polysaccharides
• monosaccharides
• amino acids
• fatty acids and glycerol

What are the monomers for proteins?

• polysaccharides
• monosaccharides
• amino acids
• fatty acid and glycerol