Biology A-Level
Structure of haemoglobin and oxygen binding
What Structure of haemoglobin and oxygen binding means in Biology A-Level, as defined for OCR.
Definition of Structure of haemoglobin and oxygen binding
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Reference: OCR
A quaternary protein with four haem groups, each containing an iron ion (Fe²⁺) that binds one oxygen molecule, so a fully loaded molecule carries four oxygen molecules.
Topics that use Structure of haemoglobin and oxygen binding
- Transport in animals (OCR A-Level)
Related terms
- Association and dissociation of oxygen
- Carbon dioxide transport forms
- Control of blood distribution by arterioles
- cooperative binding
- double circulation
- Exchange at capillaries and return of blood in veins
- Heart anatomy
- Heart rate and rhythm interpretation
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