Macromolecules Worksheet
This worksheet covers the four major types of macromolecules: carbohydrates, lipids, proteins, and nucleic acids, essential for Grade 9 science students.
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Macromolecules: The Building Blocks of Life
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Read each question carefully and answer to the best of your ability. This worksheet will test your knowledge of the four major macromolecules.
1. Which macromolecule is primarily responsible for long-term energy storage in animals?
Carbohydrates
Lipids
Proteins
Nucleic acids
2. Which of the following is the monomer of proteins?
Monosaccharide
Fatty acid
Amino acid
Nucleotide
3. DNA and RNA are examples of .
4. The primary function of is to provide quick energy for the body.
5. Enzymes, which speed up chemical reactions, are a type of .
6. Saturated fats are typically liquid at room temperature.
True
False
7. All proteins have the same three-dimensional structure.
True
False
Match each macromolecule with its primary function.
8. Carbohydrates
a. Genetic information storage
9. Lipids
b. Quick energy source
10. Proteins
c. Structural support, enzymes
11. Nucleic Acids
d. Long-term energy storage, insulation
12. Briefly describe the primary difference between a monomer and a polymer.
13. Give two examples of foods that are rich in carbohydrates and two examples of foods rich in proteins.