Multiple Choice
In the context of the enzyme-substrate complex, a reactant molecule that binds to an enzyme’s active site is called a:
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6. Enzymes and Enzyme Kinetics
Enzyme-Substrate Complex
Multiple Choice
In the context of the enzyme-substrate complex, where on the enzyme does the substrate bind?
A
At the enzyme's active site
B
At the enzyme's allosteric site
C
At the enzyme's signal peptide
D
At the enzyme's C-terminus regardless of structure
Verified step by step guidance1
Understand that enzymes have specific regions where molecules can bind, influencing the enzyme's activity.
Identify the 'active site' as the region on the enzyme where the substrate specifically binds and undergoes a chemical reaction.
Recognize that the 'allosteric site' is a different site on the enzyme where molecules can bind to regulate enzyme activity, but not where the substrate binds directly.
Note that the 'signal peptide' is a sequence that directs the enzyme to certain locations in the cell and is not involved in substrate binding.
Conclude that the substrate binds at the enzyme's active site, which is the correct location for substrate binding and catalysis.
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