Hydrogen carbonate indicator

Key term for OCR GCSE Biology A, used in Respiration.

Definition

A chemical indicator used to detect carbon dioxide, turning from red/orange to yellow when CO2 levels increase.

Exam Context

Hydrogen carbonate indicator appears in OCR GCSE Biology A revision content for Cell level systems, especially Respiration and Aerobic and anaerobic respiration.

Cell level systems Respiration Aerobic and anaerobic respiration

Found in Revision Notes

Cell level systems

Aerobic and anaerobic respiration

Respiration • Aerobic and anaerobic respiration

Revise note

Related Key Terms

Aerobic respiration Alginate beads Anaerobic respiration (animals)ATP

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