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AS Biology - Factors affecting membrane structure (OCR A Chapter 5.2)

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Here we look at how temperature and solvents can affect membrane structure and permeability.
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Опубликовано:

25 авг 2024

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Комментарии : 20

@Maria_mmss Год назад

Could you please make a seperate playlist for pag practicals only and how to answer the pag based exam questions? thanks

@Twenteen2 Год назад

^this

@tamana7147 Год назад

Your videos literally saved my life! Could you pleaseeee do videos on the heart?

@melaviia1929 Год назад

I am literally in love with you

@Twenteen2 Год назад

agreed

@khanishsehgal9915 10 дней назад

Please correct me if I'm wrong but isn't ethanol a polar solvent? and if so, does the explanation you mentioned apply to the polar solvent or the non-polar solvent?

@tobster6687 Год назад

Do you know if the OCR A Biology exam Board Content has changed at all over the past 4 years (the time range of most of your videos I've come across)? Is everything on this channel up to date with todays Content? Thanks !!!

@BioRach Год назад

No, the content has not changed in the last few years. Everything is up to date :)

@marvellousadenuga1239 Год назад

Could you talk abt how pH may affect membrane structure, but other than that really nice

@abogaid82 2 месяца назад

For temp could u say it causes both Intrinsic proteins and extrinsic proteins to denature and does this increase or decrease permeability?

@abogaid82 2 месяца назад

Would u say if channel proteins denature that permeability would decrease because polar molecules can no longer be transported in the membrane?

@BioRach 2 месяца назад

I'd be cautious when linking transport proteins with permeability. When they denature due to heat, there is no telling how the structure changes to make them more "open" or "closed". The membrane permeability will definitely change but it's risky to say it increases or decreases.