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Questions and Answers
What is the source of energy for the dramatic lowering of the activation energies for specific reactions?
What is the source of energy for the dramatic lowering of the activation energies for specific reactions?
- Covalent interactions between enzymes and substrates (correct)
- Noncovalent interactions between enzyme and substrate
- The formation of a specific ES complex
- The release of free energy during a reaction
What is the significance of binding energy in enzyme-substrate interaction?
What is the significance of binding energy in enzyme-substrate interaction?
- It is the energy released during the reaction
- It stabilizes the enzyme-substrate interaction
- It contributes to specificity as well as to catalysis (correct)
- It is the energy source for the reaction
What are the forces that mediate the interaction between substrate and enzyme in the ES complex?
What are the forces that mediate the interaction between substrate and enzyme in the ES complex?
- Covalent bonds
- Van der Waals forces
- Ionic bonds
- Hydrogen bonds and hydrophobic and ionic interactions (correct)
What is the role of weak interactions in enzyme catalysis?
What is the role of weak interactions in enzyme catalysis?
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What is the reason for enzymes' high selectivity?
What is the reason for enzymes' high selectivity?
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