Question

pre - lab questions:

1. what class of biomolecules are enzymes?
2. what is the function of all enzymes?
3. once an enzyme catalyzes a reaction, is it used up?
4. enzymes can be compared to a \lock and key\ fit with their substrates. explain what that means.
5. what is catalase?

Explanation:

1. Enzymes are proteins. 2. They speed - up reactions. 3. No, they are reusable. 4. Specific fit for specific substrate. 5. An enzyme that breaks down hydrogen peroxide.

Answer:

1. Proteins
2. Speed up chemical reactions
3. No
4. Each enzyme has a specific active - site for a specific substrate
5. An enzyme that catalyzes the breakdown of hydrogen peroxide