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Learning objective

Explain that chemical digestion involves breaking down large insoluble molecules into smaller soluble ones.

Read the explanation, check the common trap, then practise with flashcards and questions.

Exam focus

  • Read the explanation.
  • Check key terms.
  • Practise with linked questions.
Cambridge IGCSE BiologyHuman nutritionCore content

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Quick explanation

Explain that chemical digestion involves breaking down large insoluble molecules into smaller soluble ones

  • This point belongs to Chemical digestion, especially Chemical digestion outcomes.
  • You need to be able to explain that chemical digestion involves breaking down large insoluble molecules into smaller soluble ones.
  • The key ideas to know are Describe.
  • Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.

Key concepts

Describe

Why it matters

This objective helps connect Chemical digestion outcomes to exam-style questions, flashcards, and revision notes for Chemical digestion.

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Paper 3 structured question: Chemical digestion

Paper 3Theory (Core)2 marks

Description

Chemical Digestion

Chemical digestion breaks down large insoluble molecules into smaller soluble molecules that can be absorbed by the body.

  1. a

    Describe what happens during chemical digestion.

    Aim for approximately 2 distinct marking points.

    [2]
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