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Cambridge IGCSE Combined Science practice

What is the main requirement for active transport to occur?

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MCQ

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cambridge_mcq

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Topic

Active transport

Exam-style question

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What is the main requirement for active transport to occur?.

  1. A.Energy from respiration
  2. B.Diffusion
  3. C.Osmosis
  4. D.Concentration gradient

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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]