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Created by Sophia Hand
over 2 years ago
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Question | Answer |
What is an enzyme? | Type of protein that accelerates a chemical reaction |
What are the five features of enzymes? | 1. They don't make anything happen that wouldn't happen on its own. 2. No organism can survive without them. 3. One enzyme can be reused w/o changing. 4. One enzyme can usually be used for both forward and reverse reactions. 5. Each enzyme is highly selective of its substrate. |
What are two things that affect the rate of enzyme reactions? | 1. Temperature (can destroy enzymes) 2. pH (most around 7) |
What is activation energy and how is it affected by enzymes? | The amount of energy needed to start reactions can be lowered by enzymes, resulting in a faster reaction rate. |
What is a substrate? | The substance an enzyme acts upon. |
Active Site | Area of the enzyme that binds to the substrate. |
How do cells regulate enzyme activity? | 1. Controlling the amount of the enzyme. 2. Converting the enzyme from inactive to active. 3. Feedback inhibition: activity inhibited by amount of product |
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