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GCSE Biology · key term
A sealed apparatus that measures a change in gas volume as an organism takes up oxygen.
Used by Edexcel
Specification 8.11 · Paper 2
Revise: Respiration Rate InvestigationA respirometer lets you follow oxygen uptake over time: the greater the volume taken up each minute, the faster the measured rate of aerobic respiration.
A respirometer measures oxygen uptake as an indicator of aerobic respiration; it does not measure anaerobic respiration.
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