
Enzyme Catalysis and Function Quiz

Interactive Video
•
Biology
•
10th - 12th Grade
•
Hard
Jennifer Brown
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary role of a catalyst in a chemical reaction?
To lower the activation energy of the reaction
To be consumed during the reaction
To change the Gibbs free energy of the reaction
To increase the temperature of the reaction
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is NOT a way enzymes lower activation energy?
Increasing the entropy change
Destabilizing the substrate's ground state
Stabilizing the transition state
Providing alternative reaction pathways
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of the binding site in an enzyme?
To catalyze the reaction
To bind to substrates and orient them for catalysis
To change the enzyme's shape
To release the product
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is an apoenzyme?
A type of ribozyme
A non-protein chemical compound
An enzyme with its cofactor
An enzyme without its cofactor
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is true about enzyme specificity?
Enzymes only bind specific substrates and catalyze specific reactions
Enzymes catalyze multiple reactions simultaneously
Enzymes produce a variety of products
Enzymes can bind to any substrate
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is enzyme promiscuity?
The ability of enzymes to produce waste products
The ability of enzymes to bind to multiple substrates
The ability of enzymes to catalyze reactions without substrates
The ability of enzymes to change their structure
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main difference between the lock and key model and the induced fit hypothesis?
Both models suggest enzymes are rigid
Both models suggest enzymes are flexible
The lock and key model suggests enzymes are flexible, while the induced fit hypothesis suggests enzymes are rigid
The lock and key model suggests enzymes are rigid, while the induced fit hypothesis suggests enzymes are flexible
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