OBJECTIVE LIFE SCIENCE
BIOCHEMISTRY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Why is the “lock and key” analogy often used to describe enzymefunction?
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Each enzyme is the same as its substrate.
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Each enzyme will fit with only one specific kind of substrate.
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Each enzyme can only be used once in a reaction and cannot be usedagain.
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Each enzyme has its own active site that will not fit with other activesites.
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Explanation:
Detailed explanation-1: -Lock-and-key model is a model for enzyme-substrate interaction suggesting that the enzyme and the substrate possess specific complementary geometric shapes that fit exactly into one another. Enzymes are highly specific. They must bind to a specific substrate before they can catalyze a chemical reaction.
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