Multiple Choice
Which of the following organic chemistry reactions is primarily responsible for the decomposition of organic matter by fungi?
3. Acids and Bases
Organic Chemistry Reactions
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Which of the following is an inhibitor that binds to the active site of an enzyme?
A
Competitive inhibitor
B
Allosteric inhibitor
C
Non-competitive inhibitor
D
Uncompetitive inhibitor
Verified step by step guidance1
Understand the concept of enzyme inhibition: Enzyme inhibitors are molecules that bind to enzymes and decrease their activity. There are different types of inhibitors, each with a unique mechanism of action.
Identify the types of enzyme inhibitors: The main types are competitive, non-competitive, uncompetitive, and allosteric inhibitors. Each type interacts with the enzyme in a distinct way.
Focus on competitive inhibitors: Competitive inhibitors bind directly to the active site of the enzyme, competing with the substrate for binding. This prevents the substrate from binding and thus inhibits enzyme activity.
Compare with other inhibitors: Non-competitive inhibitors bind to a site other than the active site, altering enzyme function without competing with the substrate. Uncompetitive inhibitors bind only to the enzyme-substrate complex, while allosteric inhibitors bind to a different site, affecting enzyme activity indirectly.
Conclude that competitive inhibitors are the ones that bind to the active site, directly competing with the substrate for binding, which is the key characteristic of competitive inhibition.
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