Biology (A) J247,03 Higher June 2019, OCR GCSE Past Papers with Mark Schemes
OCR
GCSE
Biology A (J247)
Jun
2019
The OCR GCSE Biology Paper 3 (June 2019) explores cellular processes, human physiology, and experimental design. Topics include osmosis in potato tissues, the human circulatory system, anaerobic respiration, and kidney function. Practical applications examine yeast fermentation, effects of sodium ions on cell water balance, and plant cloning. Key themes involve photosynthesis, hormone regulation, genetic analysis, and protein synthesis. Ethical and technological aspects like stem cell research and DNA profiling are integrated with theoretical and applied biological concepts.
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