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Cambridge IGCSE Combined Science practice

Paper 4 structured question: Digestion

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3

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Digestion

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Paper 4Theory (Extended)3 marks

Understanding the action of digestive enzymes is important for nutrition.

Description

Action of Digestive Enzymes

Amylase, protease, and lipase act on carbohydrates, proteins, and fats respectively.

  1. a

    Explain the role of lipase in digestion.

    Aim for approximately 3 distinct marking points.

    [3]

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Paper 4 structured question: Digestion

Paper 4Theory (Extended)2 marks

Description

Digestive Enzymes

Amylase, protease, and lipase are produced in different parts of the digestive system and act on specific types of food.

  1. a

    Identify the locations where amylase, protease, and lipase are produced.

    Aim for approximately 2 distinct marking points.

    [2]