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Cambridge IGCSE Combined Science practice

Paper 4 structured question: Digestion

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4

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3

Marks

Topic

Digestion

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Paper 4Theory (Extended)3 marks

Enzymes play a vital role in digestion.

Description

Functions of Enzymes

Enzymes are biological catalysts that speed up chemical reactions in the body. They are essential for breaking down food into absorbable nutrients.

  1. a

    Outline the functions of amylase, protease, and lipase in digestion.

    Aim for approximately 3 distinct marking points.

    [3]

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Paper 4 structured question: Digestion

Paper 4Theory (Extended)4 marks

Description

Enzyme Functions

Enzymes are proteins that catalyze biochemical reactions, including digestion.

  1. a

    Explain the importance of enzymes in metabolic processes.

    Aim for approximately 4 distinct marking points.

    [4]