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1.3.3 Active transport
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Moving Against the Gradient

Moving Against the Gradient

Active transport is the movement of substances across a cell membrane from a lower concentration to a higher concentration. This is movement against the concentration gradient, so it requires energy released by respiration.

1.3.3 Active transport Lesson

  1. GCSE
  2. /Biology
  3. /1.3.3 Active transport

Step-by-step lessons covering AQA GCSE Biology 1.3.3 Active transport for Foundation and Higher tier. Each lesson works through exam-style questions in Paper 1 and Paper 2 format. Start with the foundational topics and build up to the higher-tier material.