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Questions and Answers
What is a catalyst?
What is a catalyst?
- A substance that has no effect on a chemical reaction
- A substance that slows down a chemical reaction
- A substance that increases the rate of a chemical reaction without being consumed or changed (correct)
- A substance that consumes itself in a chemical reaction
What are enzymes?
What are enzymes?
- Biological catalysts that are all carbohydrates
- Biological catalysts that are all proteins (correct)
- Biological catalysts that are all nucleic acids
- Biological catalysts that are all lipids
What is the difference between coenzymes and cofactors?
What is the difference between coenzymes and cofactors?
- Coenzymes bind the enzyme while cofactors do not (correct)
- There is no difference between coenzymes and cofactors
- Coenzymes are inorganic molecules and cofactors are organic molecules
- Coenzymes increase the rate of catalysis while cofactors do not
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