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Mode of action of enzymes

Biology8 questions

8 past-paper questions on Mode of action of enzymes

  • 9700/23 · May/June 20245 marks

    Describe and explain the mode of action of laccase when catalysing the formation of lignin.

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  • 9700/23 · October/November 20244 marks

    Biofuels contain alcohols that are produced by the fermentation of sugars derived from crop waste. This waste contains cellulose…

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  • 9700/22 · May/June 20254 marks

    Student X stated that acid phosphatases and sorgoleone could be transported out of root hair cells using the same process.…

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  • 9700/22 · May/June 20254 marks

    A student suggested that: • a low concentration of toxin may by diagnosed as a negative result instead of a positive result •…

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  • 9700/22 · May/June 20243 marks

    Draw labelled and annotated diagrams in the space provided to show how the lock and key hypothesis was used to explain the…

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  • 9700/23 · May/June 20253 marks

    Suggest and explain how the protease produced by S. epidermidis cells prevents the growth of an S. aureus population on human…

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  • 9700/22 · May/June 20243 marks

    Compare lysozyme and penicillin to show the similarities and differences between these two antibacterial agents.

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  • 9700/23 · May/June 20242 marks

    State and explain how the CDK inhibitor in Fig. 5.1 prevents the activity of the CDK molecule.

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