125 marks
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The importance of surface area in biological systems.
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Essay (A Level Only) (AQA A Level Biology): Exam Questions
Exam code: 7402
4 hours9 questions
225 marks
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The importance of coordination in living organisms.
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325 marks
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The importance of gradients in biological systems.
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425 marks
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The causes and importance of genetic change in living organisms.
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525 marks
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The importance of studying populations in biology.
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625 marks
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The importance of transport in living organisms.
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725 marks
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The importance of membranes in the function of cells and organisms
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825 marks
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The importance of feedback mechanisms in maintaining physiological balance in organisms.
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925 marks
Write an essay on the following topic:
The role of proteins in the functioning of cells and organisms.
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