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Question
A substance that mimics a substrate and competes for the active site of an enzyme is known as which of these?
A substance that mimics a substrate and competes for the active site of an enzyme is known as which of these?
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Solution
The correct option is A Competitive inhibitor
Competitive inhibition is brought about by a substance which closely resembles the substrate in molecular structure. Such a substrate is called a competitive inhibitor. Because of its close structural similarity to the substrate, the inhibitor competes with the substrate for the active sites of the enzyme, forming enzyme-inhibitor complex instead of enzyme-substrate complex. Thus option A is the correct answer.
Competitive inhibition is brought about by a substance which closely resembles the substrate in molecular structure. Such a substrate is called a competitive inhibitor. Because of its close structural similarity to the substrate, the inhibitor competes with the substrate for the active sites of the enzyme, forming enzyme-inhibitor complex instead of enzyme-substrate complex. Thus option A is the correct answer.
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