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Questions and Answers
What is a catalyst?
What is a catalyst?
- A substance that slows down a chemical reaction
- A byproduct of a chemical reaction
- A type of enzyme
- A substance that increases the rate of a chemical reaction without undergoing any permanent change (correct)
What is an enzyme?
What is an enzyme?
A substance produced by a living organism that acts as a catalyst for a biochemical reaction.
What is activation energy?
What is activation energy?
The minimum quantity of energy required for a reaction to occur.
What is a substrate?
What is a substrate?
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What is the active site of an enzyme?
What is the active site of an enzyme?
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Polar molecules have electrical or magnetic polarity.
Polar molecules have electrical or magnetic polarity.
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What is a hydrogen bond?
What is a hydrogen bond?
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Study Notes
Catalysts and Enzymes
- A catalyst accelerates chemical reactions without undergoing permanent changes.
- Enzymes are specialized catalysts produced by living organisms, facilitating specific biochemical reactions.
Activation Energy
- Activation energy is the minimum energy required for reactants to initiate a chemical reaction.
Substrates
- Substrates are the specific substances on which enzymes act, underpinning the reaction process.
Active Sites
- Active sites are specific regions on enzymes where substrates bind, essential for enzyme function and reactivity.
Polarity
- Polar substances exhibit electrical or magnetic polarity, influencing interactions at the molecular level.
Hydrogen Bonds
- Hydrogen bonds are weak attractions between molecules due to electrostatic interactions between protons and electrons, playing critical roles in molecular structures.
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Description
This quiz covers key terms related to catalysts, enzymes, and activation energy in biological processes. Perfect for students who want to strengthen their understanding of these concepts in a straightforward way. Test your knowledge and enhance your learning today!
