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Cell membranes and transport

Cell membranes and transport

Comparison of diffusion, osmosis and active transport across a cell membrane with direction of movement and energy use labelled

Every cell is surrounded by a cell membrane. This membrane controls what enters and leaves the cell, so substances such as oxygen, carbon dioxide, water and mineral ions must cross it.

Transport in and out of cells Lesson

  1. GCSE
  2. /Biology
  3. /Transport in and out of cells