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Macromolecules: The Building Blocks of Life

Explore the four major classes of macromolecules essential for life: carbohydrates, lipids, proteins, and nucleic acids, and their structures and functions.

Grade 12 Science BiologyMacromolecules
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Includes

Multiple ChoiceFill in the BlanksTrue / FalseMatchingShort Answer

Standards

HS-LS1-6HS-LS1-7

Topics

BiologyMacromoleculesGrade 12CarbohydratesLipidsProteinsNucleic Acids
7 sections · Free to use · Printable
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Macromolecules: The Building Blocks of Life

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Date:

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Read each question carefully and answer to the best of your ability. Show all your work for short answer questions.

1. Which of the following elements is NOT typically found in all four major classes of macromolecules?

a

Carbon

b

Hydrogen

c

Nitrogen

d

Oxygen

2. The primary function of carbohydrates in living organisms is:

a

Genetic information storage

b

Long-term energy storage

c

Quick energy source and structural support

d

Catalyzing biochemical reactions

3. The monomers that make up proteins are called  .

4. DNA and RNA are examples of  , which store and transmit genetic information.

5. Lipids are characterized by their insolubility in water, making them  .

6. Saturated fatty acids contain one or more double bonds between carbon atoms in their hydrocarbon chain.

T

True

F

False

7. The unique sequence of amino acids in a polypeptide chain represents its primary structure.

T

True

F

False

Match each macromolecule class with its primary function.

8. Carbohydrates

 

a. Genetic information storage

9. Lipids

 

b. Energy storage, insulation, and cell membranes

10. Proteins

 

c. Quick energy and structural components

11. Nucleic Acids

 

d. Catalysis, transport, structural support

12. Describe the process of dehydration synthesis and hydrolysis in the context of macromolecule formation and breakdown.

13. Compare and contrast the structure and function of DNA and RNA.