4.1.1 Macromolecules Review

Match each macromolecule with the correct function.

• Nucleic Acids

• Insulation
• Proteins

• Fuel
• Carbohydrate

• Catalyze Reactions
• Lipids

• Instructrions to build proteins

Salivary amylase is an enzyme in humans that breaks down starches. What substance would humans have difficulty digesting without this enzyme?

• lipids

• nucleic acids

• proteins

• carbohydrates

Waxes create a waterproof layer on the outside of some living organisms. To which group of organic molecules do waxes belong?

• carbohydrates

• lipids

• nucleic acids

• proteins

According to this diagram, what would the complementary base pairs be for this segment of DNA?

• ACTG

• TGAC

• UGAC

• UGUC

According to this diagram, where are the weak hydrogen bonds in this segment of DNA?

• 1

• 2

• 3

• 4

According to this diagram, how many nucleotides are included in this segment of DNA?

• 2

• 4

• 6

• 8

Which of the following are the building blocks of enzymes?

• sugars

• fatty acids

• nucleotides

• amino acids

In the diagram, which substance belongs in area Z?

• nitrogen

• carbon

• phosphate

• water

Shown is a green plant cell. Which structure is chiefly composed of a nonliving material known as cellulose?

• 11

• 4

• 2

• 14

Which type of molecule do whales use for energy storage and insulation?

• protein

• carbohydrate

• lipid

• enzymes