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6 Cards in this Set
- Front
- Back
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What is the structure (protein) of haemoglobin? |
4 polypeptide chains, each chain has a haem group - contains an FE ion which gives it a red colour. Carries 4 oxygen molecules |
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What is oxgeneated haemoglobin called? |
Oxyhaemoglobin |
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Affinity for oxygen depends on |
- depends on partial pressure of oxygen - low po2, oxygen unloads - High po2, oxygen loads |
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What does a high affinity for oxygen mean? |
Loads lots of oxygen |
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If the curve is steep does the animal have a high or low affinity for oxygen? What animal could this be |
Lugworm, high affinity for oxygen, loads lots of oxygen in low oxygen environments |
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What if the curve is not steep? |
Mouse, low affinity, needs to unload oxygen easy to the muscles |
