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Haemoglobin (oxygen dissociation curve, Bohr effect, adaptations) | A Level Biology

www.biologywitholivia.co.uk Tailored to the AQA specification, covering all spec points: - The haemoglobins are a group of chemically similar molecules found in many different organisms - Haemoglobin is a protein with a quaternary structure - The role of haemoglobin and red blood cells in the transport of oxygen - The loading, transport and unloading of oxygen in relation to the oxyhaemoglobin dissociation curve - The cooperative nature of oxygen binding to show that the change in shape of haemoglobin caused by binding of the first oxygens makes the binding of further oxygens easier - The effects of carbon dioxide concentration on the dissociation of oxyhaemoglobin (the Bohr effect) - Many animals are adapted to their environment by possessing different types of haemoglobin with different oxygen transport properties Also relevant for OCR, Edexcel, CAIE, etc.