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Questions and Answers
In the induced-fit model of enzyme-substrate binding, what can change shape when the enzyme and substrate bind?
In the induced-fit model of enzyme-substrate binding, what can change shape when the enzyme and substrate bind?
- Ezyme
- Substrate
- Both the enzyme and substrate (correct)
- Neither the enzyme or substrate
What does the enzyme lactase do?
What does the enzyme lactase do?
- Catalyses lactose phosphorylation
- Catalyses the addition of lactose functional groups to form a double bond
- Breaks down lactose into simple sugars (correct)
- All of the above
Which of the following statements about the irreversible inhibitor Diisopropyl fluorophosphate (DFP) is true?
Which of the following statements about the irreversible inhibitor Diisopropyl fluorophosphate (DFP) is true?
- DFP is an organic phosphate that activates serine proteases
- DFP is an organophosphorus inhibitor
- DFP reacts with the active lysine site of chymotrypsin to form DFP-chymotrypsin (correct)
- DFP is toxic because it can inhibit epinephrine
How do noncompetitive inhibitors affect enzyme kinetics?
How do noncompetitive inhibitors affect enzyme kinetics?
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Which of the following is not an example of a competitive inhibitor?
Which of the following is not an example of a competitive inhibitor?
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