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AQA Biology 5 - 23rd June 2015 - Essay: Predictions & Past Essays

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Original post by Sacred Ground
Synaptic transmission
Sodium potassium pump -
Maintaining resting potential
Diffusion of IAA
Active transport in the small intestine
Oral rehydration solution - vibrio cholerae
Diffusion through the membrane - maybe mRNA into the cytoplasm through the nuclear pore?
Diffusion of hydrogen ions through ATP synthase in the electron transport chain


Thank you! I thought also about alveoli and also villi! What about 'how population changes and the factors that cause them?'
Original post by ranimayx
Thank you! I thought also about alveoli and also villi! What about 'how population changes and the factors that cause them?'


Oh yeah of course! And tissue fluid! Water potential too!

Population changes hmm....
Founders effect
Genetic bottleneck
Speciation
Mutations maybe - a deletion results in a frame shift, causing a different characteristic being coded for - population decreases because the individual can no longer survive
Succession


That's a difficult one!
can anyone mark my essay on "the importance of responses to changes in the internal and external environment of an organism" PLEASEE :s-smilie:

I just need a rough mark and few points of improvement before the exam!
Original post by cherrybanana
can anyone mark my essay on "the importance of responses to changes in the internal and external environment of an organism" PLEASEE :s-smilie:

I just need a rough mark and few points of improvement before the exam!


send it over
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Not looking forward to it cuz so much to remember but I'll try my best. Hopefully this paper isnt too bad like chem5. Good luck guys:smile:
Could you talk about respiration for ways to get nutrients??

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