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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 movement is against, or up, the concentration gradient.

1.3.3 Active transport Lesson

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

Step-by-step lessons on AQA GCSE Biology 1.3.3 Active transport. Each one builds up to exam-style questions. Start with the foundational topics and build up to the higher-tier material.

Lessons