Quiz

Quiz: The Lock and Key Theory

AQA GCSE Biology (8461)

11 Steps8 Questions

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Building on what you've learned about enzymes and digestion, let's test your understanding of the Lock and Key Theory!

Multiple ChoiceInteractive

What does the Lock and Key Theory explain?

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Multi-SelectInteractive

Which of the following are true about enzymes? (Select all that apply)

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Fill in the BlankInteractive

In the Lock and Key Theory, the enzyme has a specific {{blank0}} that matches the shape of the {{blank1}}.

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MatchingInteractive

Match the items on the left with their correct pairs on the right

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Multiple ChoiceInteractive

What happens if the substrate does not fit the enzyme's active site?

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typedAnswer

Match the items on the left with their correct pairs on the right

Fill in the BlankInteractive

When the substrate binds to the enzyme, it forms an {{blank0}}-substrate complex, leading to the release of the {{blank1}}.

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MatchingInteractive

Match the items on the left with their correct pairs on the right

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Multiple ChoiceInteractive

Why is the enzyme-substrate fit compared to a lock and key?

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typedAnswer

Match the items on the left with their correct pairs on the right

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