Biology A-Level
nitrifying bacteria
What nitrifying bacteria means in Biology A-Level, as defined for AQA.
Definition of nitrifying bacteria
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Reference: AQA
Organisms that oxidise ammonium to nitrite and nitrite to nitrate, using the released energy, in a process needing well-aerated soil.
Topics that use nitrifying bacteria
- Nutrient cycles (A-level only) (AQA A-Level)
Related terms
- algal bloom
- ammonification
- artificial fertilisers
- decomposers
- denitrification
- eutrophication
- extracellular digestion
- ion availability
Using nitrifying bacteria in the exam
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