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Multiple Choice
In the context of organic chemistry reactions, what type of inhibitor binds to an enzyme but not at the active site?
A
Competitive inhibitor
B
Uncompetitive inhibitor
C
Non-competitive inhibitor
D
Allosteric inhibitor
Verified step by step guidance
1
Understand the concept of enzyme inhibition: Enzyme inhibitors are molecules that bind to enzymes and decrease their activity. They can bind at different sites on the enzyme, affecting how the enzyme interacts with its substrate.
Identify the types of enzyme inhibitors: There are several types of enzyme inhibitors, including competitive, uncompetitive, non-competitive, and allosteric inhibitors. Each type has a distinct mechanism of action.
Define non-competitive inhibition: A non-competitive inhibitor binds to an enzyme at a site other than the active site. This binding changes the enzyme's shape, reducing its activity regardless of the substrate concentration.
Differentiate non-competitive from competitive inhibition: Unlike competitive inhibitors, which bind at the active site and compete with the substrate, non-competitive inhibitors do not compete with the substrate and can bind to the enzyme whether or not the substrate is present.
Recognize the role of allosteric inhibitors: Allosteric inhibitors are a type of non-competitive inhibitor that bind to an allosteric site, causing a conformational change in the enzyme that affects its activity. This is a specific form of non-competitive inhibition.