AQA GCSE Combined Trilogy Biology 8464 - Paper 2 - 7th June 2019

You can do either, as long as you convert both units to the same measurement. So if you do cm, make sure you convert the area into cm. Vice versa with m. That's becasue you keep the proportion the same throughout so regardless the answer should be the same!

it was insulin

I got 48000, to standard form but I removed the sports area as I thought they would not grow there so got 40000 4x10^4
Anyone else?

Can we talk about literally ANY OTHER QUESTION besides the field maths q?

The DNA question. I put D

Go on then... give us a question

Ok lets talk lychee fruit last question what you guys write

Ok lets talk lychee fruit last question what you guys write

Those that had eaten before would have enough glucose to respire so they would be able to function but those that ate only the lychee fruit would not have had enough glucose because the fat wouldn't convert into glucose so they would not be able to respire and dke

I think I got 5.8x10^5 since rounding to 2 s.f

Wrote something similar and also mentioned starving kids that didnt eat dont have enough calories to sustain their basal metabolic rate

So one of the bullet points were that when they ate the fruit, the enzyme that converts fat into glucose becomes inactive or something. So i said that enzyme is glucagon, causes levels of glucose to be extremely low as they cant convert into glucose, which is required for energy. Lack of energy, lack of nutrition causes them to die, as glucose levels are again too low. The body converts all of this glucose when they eat the lychee and stores it into the muscles, but since they can't be converted back into glucose it is of no use to them. Plus the body will take a longer time to respond to glucose concentration levels because they haven't eaten all day. They have deficiency in glucose. Where as the non-fasting children have a normal blood glucose concentration because both enzymes are active throughout the day, maintaining a stable level of glucose, allowing them to survive. Furthermore, the overdose of lychee's that the starving children have, prevents further the chance for glucose to be used.

I wrote something like that

For the last question I said that kids who ate during the day could be able to take in the required nutrients and substances like glucose. Obviously excess glucose is turned into glycogen and stored in liver cells. So I said that those who didn't have any glucose would result in their liver cells not having enough energy (respiration) to produce the enzymes. Because these enzymes which turned stored fat into glucose are not produced, normal body cells like the heart muscle cells won't be able to gain glucose for respiration and thus stop working - hence, heart attack and r.i.p. Basically waffle. That's vaguely what I wrote, including the lychee but I forgot what I wrote for that

i asked for extra paper 😂