AS Biology - Celllulose structure (OCR A Chapter 3.3) 

And when the world needed her most SHE RETURNED

Finished my A levels, and am in university now, it’s a big change but wanna say your videos helped me and my friends tremendously ! Especially sliding filament model haha keep up the awesome work !

You are amazing i was wondering where this topic was but we can always rely on you. Thank you so much.

SHEES BACCCCKKKK

Could you please say that if the type of bonding in 1:22 cannot take place then they do take place in lactose? Is there anything controlling it? Thank you for all your videos.

Hi your videos are really helpful can you please make one on how haemodialysis works in chapter 15.7. Thank youu

queen