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Cambridge IGCSE Biology practice

Paper 3 structured question: Active transport

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3

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1

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Active transport

Exam-style question

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Paper 3Theory (Core)1 marks

Energy use in active transport

Description

Energy for Active Transport

Active transport requires energy to move particles through the cell membrane from a lower to a higher concentration area.

  1. a

    State State the source of energy used in active transport.

    Aim for approximately 1 distinct marking point.

    [1]

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Paper 3 structured question: Active transport

Paper 3Theory (Core)2 marks

Description

Active Transport

Active transport is 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.

  1. a

    Describe Describe what happens during active transport.

    Aim for approximately 2 distinct marking points.

    [2]