The Four Macromolecules of Life
Carbohydrates • Lipids • Proteins • Nucleic Acids
Name: _______________________________
Date: ______________
Period: _______
Instructions
Go to BioMan Biology at www.biomanbio.com and click “Life Chemistry (DNA, Proteins, etc.)”. Use the readings,
videos, the “Macromolecule Man” game, and the Biological Molecules Quiz to help you answer the questions
below. You may also use your class notes.
Part 1: Graphic Organizer
Fill in the table below as you explore the website.
Macromolecule
Monomer
Function
Examples
Carbohydrates
Lipids
Proteins
Nucleic Acids
Part 2: Questions (20 pts)
1. What is a macromolecule?
2. What is a monomer?
3. What is a polymer?
4. What is the name of the chemical reaction that joins monomers together and releases a water molecule in the
process?
5. What is the name of the chemical reaction that breaks a polymer apart by adding water?
6. What three elements make up a carbohydrate?
7. What is the monomer (building block) of a carbohydrate called?
8. What is the main function of carbohydrates in the body?
9. List two examples of carbohydrates.
10. What two building blocks make up a lipid?
11. What is the main function of lipids in the body?
12. List two examples of lipids.
13. What is the monomer of a protein called?
14. List three functions that proteins can perform in the body.
15. List two examples of proteins.
16. What is the monomer of a nucleic acid called?
17. What three parts make up a nucleotide?
18. What is the main function of nucleic acids?
19. List two examples of nucleic acids.
20. Challenge: A slice of bread is mostly one macromolecule, and a spoonful of olive oil is mostly another. Identify
which macromolecule is found the most in each food, and explain your reasoning using what you learned about
their functions.