B1 Exam today EdexcelWatch
It was an application question (I think!), so it wasn't going to be in the textbooks/revision guides.
* Food contains sugars
* Absorbing the sugars (glucose) will cause the blood glucose level to rise
* Pancreas secretes insulin to convert the excess blood glucose into glycogen
* Glycogen level increases
I did this exam board last year for my triple science GCSEs and I must admit your paper was a lot more application based. However, I think it's something along the lines of your supposed to know that the pathogen transporting malaria infects the human through the bloodstream and malaria works by infecting the hosts red blood cells. SC crescent shaped red blood cells are therefore have less surface area to be infected by malaria and so it's harder to penetrate them.
I only know this because it is actually on my as level biology spec something very similar to this. It was a very hard question for GCSE:/
like when did the revision guide or textbook talk about sickle cells disease related Malaria.
But I think it came up in a past paper question someone about the prevalence... I think they're resistance and survive and breed so there's more of them in this countries.