Enzymes: The Body's Catalysts
An 8th-grade science worksheet exploring the function, structure, and importance of enzymes in biological processes.
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Enzymes: The Body's Catalysts
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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. What is the primary function of an enzyme?
To store genetic information
To speed up chemical reactions
To provide structural support to cells
To transport oxygen in the blood
2. The specific area on an enzyme where a substrate binds is called the:
Product site
Inhibitor site
Active site
Binding pocket
3. Enzymes are biological that speed up the rate of biochemical reactions without being used up in the process.
4. The model describes how an enzyme's active site changes shape slightly to bind to its specific substrate.
5. Extreme changes in temperature or pH can cause an enzyme to lose its shape and function, a process called .
6. All enzymes can catalyze any type of chemical reaction.
True
False
7. Enzymes are typically made of lipids.
True
False
8. Describe the 'lock and key' model of enzyme action. How does it explain enzyme specificity?
9. Explain why the human body needs enzymes to function properly.
Use the words below to complete the sentences.
10. An enzyme functions best at its temperature and pH.
11. The molecule upon which an enzyme acts is called its .
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