AS & A Level Biology (9700) — May–June 2024, Paper 52
2 questions · every question answerable online with instant point-by-point AI marking against the official mark scheme.
Start with Question 1 →Question 1 · 19 marks · Practical skills: Planning, analysis and evaluation
Identify the independent variable in this investigation.
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Fig. 2.1 shows a photomicrograph of stained tumour cells viewed using a light microscope at image magnification x400. An eyepiece graticule was placed across the nucleus of one of…
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