교과서 질문
Many drugs and poisons exert their effects by blocking one or more enzymes. How could blocking an enzyme lead to the death of a cell?
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3. Energy & Cell Processes
Enzyme Inhibition
객관식
Which of the following types of enzyme inhibition is overcome by increasing the substrate concentration?
A
The need for a coenzyme.
B
Noncompetitive inhibition.
C
Competitive inhibition.
D
None of the above.
검증된 단계별 안내1
Understand the concept of enzyme inhibition: Enzyme inhibition refers to a process where the activity of an enzyme is reduced or stopped due to the presence of a specific molecule, known as an inhibitor.
Differentiate between types of enzyme inhibition: There are several types of enzyme inhibition, including competitive, noncompetitive, and uncompetitive inhibition. Each type affects the enzyme activity in a distinct way.
Focus on competitive inhibition: In competitive inhibition, the inhibitor molecule competes with the substrate for binding to the active site of the enzyme. This means that both the substrate and the inhibitor cannot bind to the enzyme at the same time.
Analyze the effect of increasing substrate concentration: In competitive inhibition, increasing the concentration of the substrate can overcome the inhibition. This is because a higher concentration of substrate increases the likelihood of substrate molecules binding to the active site instead of the inhibitor.
Conclude with the correct answer: Based on the understanding of competitive inhibition, the type of enzyme inhibition that can be overcome by increasing the substrate concentration is competitive inhibition.
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