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- 1. Multiple Choice
The delta G of a catalyzed reaction is 30 kJ/mol. If you double the reaction, what would be delta G of the catalyzed reaction?
0 kJ/mol
15 kJ/mol
30 kJ/mol
60 kJ/mol
- 2. Multiple Choice
What is the function of an enzyme?
To speed up a chemical reaction
To provide additional energy
To inhibit a cellular process
To increase absorption of a molecule
- 3. Multiple Choice
Which of the following would NOT denature an enzyme?
HIGH temperature
LOW pH
HIGH pH
LOW temperature
- 4. Multiple Choice
What happens to the reaction rate if an enzyme is denatured or nonfunctional?
no change to the reaction rate
increase in reaction rate
decrease in reaction rate
decrease then increase reaction rate
- 5. Multiple Choice
Which of the following is NOT a way that enzymes speed up chemical reactions?
strain bonds in the structure
orient reacting molecules
provide favorable environment
increase required energy of activation
- 6. Multiple Choice
An enzyme can make an endergonic reaction into an exergonic reaction.
True
False
- 7. Multiple Choice
Which of the following is a way to overcome competitive inhibition of an enzyme?
increase product concentration
increase substrate concentration
decrease enzyme concentration
decrease environmental temperature
- 8. Multiple Choice
Where does a substrate bind to an enzyme?
active site
allosteric site
- 9. Multiple Choice
How does a noncompetitive inhibitor decrease reaction rates?
binds to the active site
binds to the allosteric site
increases the free energy
increases the substrate concentration
- 10. Multiple Choice
The decreased production of enzyme Trp-T would have which of the following responses?
decrease in Tryptophan concentration
increase in I3PA concentration
increase in IAA concentration
decrease in I3PA & IAA concentration
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