Biology A (Salters-Nuffield) A-Level
Passive
What Passive means in Biology A (Salters-Nuffield) A-Level, as defined for Pearson Edexcel.
Definition of Passive
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Reference: Pearson Edexcel
Osmosis is passive and does not require metabolic energy, continuing until concentrations equalise or the membrane is opposed by external pressure.
Topics that use Passive
- Topic 2: Genes and Health (Pearson Edexcel A-Level)
Related terms
Using Passive in the exam
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