1.1 Structure of Macromolecules

Which are units that make up proteins?

• fatty acids

• amino acids

• glucose molecules

• nucleotide molecules

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Which organic molecule is paired with its basic building block?

• carbohydrate : amino acids

• nucleic acid : nucleotides

• lipid : monosaccharides

• protein : fatty acids

Which organic molecule is paired with its function?

• nucleic acid : to store energy

• proteins : to provide insulation

• lipids : to regulate metabolic processes

• carbohydrate : to provide quick-release energy

What are the building blocks of enzymes?

• glucose molecules

• polysaccharides

• nucleic acids

• amino acids

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Which are components found in many lipids but are unlikely to be found in nucleic acids?

• amino acids

• monosaccharides

• glycerol and fatty acids

• glucose and phosphates

Why are proteins among the most diverse molecules?

• They create nucleic acids.

• They form muscle in animals.

• Amino acids can link up in different combinations.

• Amino acids are made up of more than 20 different proteins.

Which organic compounds necessary for life are formed by a sugar bonded to a phosphate group and a nitrogenous base?

• lipids

• proteins

• nucleic acids

• carbohydrates

What are the components of each nucleotide?

• glucose, water, and cellulose

• adenine, thymine, and cytosine

• a phosphate group, a sugar molecule, and a nitrogen base

• a phosphate group, a five-carbon sugar, and an amino acid

Which is a building block for a lipid?

• glycerol

• nucleotide

• amino acid

• monosaccharide

Which elements combine to form carbohydrates?

• Carbon, Nitrogen, and Oxygen

• Carbon, Hydrogen, and Oxygen

• Carbon, Potassium, and Calcium

• Carbon, Calcium, and Hydrogen

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