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WorksheetsQuick 10Q: Enzymes
Total questions: 10
Worksheet time: 5mins
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
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
Which of the following would NOT denature an enzyme?
HIGH temperature
LOW pH
HIGH pH
LOW temperature
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
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
An enzyme can make an endergonic reaction into an exergonic reaction.
True
False
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
Where does a substrate bind to an enzyme?
active site
allosteric site
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
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
