AS Biology - Oxygen dissociation curve (OCR A Chapter 8.4)
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- čas přidán 22. 08. 2024
- The oxygen dissociation curve shows how haemoglobin binds to oxygen (that's it really!). Its sigmoid shape shows haemoglobin's positive cooperativity behaviour. We can then look at the curve when the haemoglobin is in different situations (Bohr effect) or even as a different type of haemoglobin (fetal vs. adult), which show us if the haemoglobin is ready to bind to oxygen or to lose it.
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i just wanted to say that there is correction needed when you say that c is where haemoglobin is fully saturated. this rarely happens as blood is fast flowing and most haem group are already occupied therefore its very difficult for oxygen to bind to the last haem group
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hey would it be wrong if i said for anaerobic respiration instead of aerobic respiration
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Why is the line for the ODC from b to c so steep? Isn’t it harder for the 4th oxygen molecule to bond to Hb after the 3rd. So shouldn’t it be flatter?
i think b represents the whole upwards bit of the curve not just that exact point
Thank You for this explanation, I finally got it.
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That one person that disliked. I-
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what does 'shifting to the right/left' mean??
Correction the hb in the tissue is called deoxy hb. Not oxy