AS Biology - Haemoglobin structure and function (OCR A Chapter 8.4)

This video covers the general structure of haemoglobin and its mechanism of binding to oxygen: Positive cooperativity.

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[ElectrophilicAddition]

You are, by far, the best biology ytuber

[housainkilani]

Actually the last oxygen molecule is hardER to obtain, hence why the dissociation curve flattens at the end.

[rosieosabutey]

Thanks miss, for your explanation. It took me a long time to get my head around this section of chapter

[КатяЯсінська-се]

Miss, I am so grateful for your videos

[isctngg]

Never thought id fall in love but here i am 💕💕

[emilydare]

Thank you! Please keep the videos coming. Would it be possible to do a video ON chapter 7 with exchange surfaces especially on fish and insects. Thanks again

[p.p]

Doesn't the fourth subunit find it more difficult to bind to the oxygen as opposed to easier than the third subunit, and this is the reason for the sigmoid curve?

[catcatcat]

TYSM! You explain things so well <3

[rainbowsyay]

Thank you for these videos. My teachers don’t teach us anything so these have been really helping me. Is there any chance that you could go through the heart? It would be much appreciated 💗

[neldino]

I thought it would be harder for the 4th oxygen to bind to the last subunit as there are already 3 inside so this decreases the likelihood of oxygen being able to bind as less subunits are available.