Biology WBI11/01 November 2021 | Edexcel International AS Level Past Papers With Mark Scheme

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1. Plant vs animal cell structure—presence of chloroplasts, vacuole, and cell wall differences
2. Photosynthesis process—light-dependent and light-independent stages, limiting factors, experimental setups
3. Cellular respiration—comparison of aerobic and anaerobic respiration, ATP production, mitochondrial role
4. Leaf structure adaptations—function of stomata, cuticle, mesophyll, and role in gas exchange and transpiration
5. Circulatory systems—differences between fish and human heart structure, blood flow path, oxygen transport via hemoglobin
6. Enzyme characteristics—effect of temperature, pH, substrate concentration, lock-and-key vs induced fit model

Edexcel International AS/A Level Biology (WBI) Nov 2021

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Biology WBI11/01 November 2021 | Edexcel International AS Level Past Papers With Mark Scheme

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