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Cambridge IGCSE Combined Science practice

Paper 4 structured question: Enzymes

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Enzymes

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Paper 4Theory (Extended)3 marks

Enzymes are proteins that catalyze biochemical reactions, and their activity is influenced by various factors, including temperature.

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Enzyme Activity and Temperature

Understanding how temperature affects enzyme activity is essential for studying metabolic processes.

  1. a

    Discuss Explain how temperature changes can lead to denaturation of enzymes.

    Aim for approximately 3 distinct marking points.

    [3]

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Paper 4 structured question: Enzymes

Paper 4Theory (Extended)3 marks

Description

Temperature and Enzyme Activity

Enzymes have an optimal temperature range for activity. Beyond this range, their structure can be altered, affecting their function.

  1. a

    Analyse Discuss how temperature changes affect enzyme activity.

    Aim for approximately 3 distinct marking points.

    [3]