Biological Molecules Worksheet
Explore the four major classes of biological molecules: carbohydrates, lipids, proteins, and nucleic acids, with this Grade 8 science worksheet.
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Biological Molecules Worksheet
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Read each question carefully and answer to the best of your ability. This worksheet covers the four major types of biological molecules.
1. Which of the following biological molecules is the primary source of quick energy for living organisms?
Lipids
Proteins
Carbohydrates
Nucleic Acids
2. Which type of biological molecule is responsible for storing genetic information?
Carbohydrates
Lipids
Proteins
Nucleic Acids
3. The building blocks of proteins are called .
4. Fats, oils, and waxes are examples of .
5. DNA and RNA are types of .
6. Carbohydrates are primarily made up of carbon, hydrogen, and oxygen atoms.
True
False
7. Enzymes are a type of lipid that speed up chemical reactions.
True
False
Match each biological molecule with its primary function.
8. Carbohydrates
a. Genetic information storage
9. Lipids
b. Long-term energy storage, insulation
10. Proteins
c. Quick energy source
11. Nucleic Acids
d. Building and repairing tissues, enzymes
12. Briefly explain the main difference in function between carbohydrates and lipids.
13. Name two examples of foods that are rich in protein.
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