BIOLOGY
ENZYMES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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A lock and key is sometimes used as a model to promote understanding of enzymes. Which characteristic of enzymes or their action is best illustrated by this model?
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The sensitivity of enzymes to changes in pH
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The change in activation energy the enzymes cause
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The specificity of fit between an enzyme and a substrate
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The increase in reaction rate due to the action of the enzyme
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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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