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Learning objective

Explain active transport as the process where particles move through a cell membrane from an area of lower concentration to an area of higher concentration, which requires energy from respiration.

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

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  • Read the explanation.
  • Check key terms.
  • Practise with linked questions.
Cambridge IGCSE Combined ScienceMovement into and out of cellsSupplement content

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Quick explanation

Explain active transport as the process where particles move through a cell membrane from an area of lower concentration to an area of higher concentration, which requires energy from respiration

  • This point belongs to Active transport, especially Active transport outcomes.
  • You need to be able to explain active transport as the process where particles move through a cell membrane from an area of lower concentration to an area of higher concentration, which requires energy from respiration.
  • The key ideas to know are Describe and Explain.
  • Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.

Key concepts

DescribeExplain

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Paper 4 structured question: Active transport

Paper 4Theory (Extended)2 marks

Description

Active Transport Overview

Active transport is the movement of particles from an area of lower concentration to an area of higher concentration, requiring energy from respiration.

  1. a

    Explain the importance of active transport in cells.

    Aim for approximately 2 distinct marking points.

    [2]
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