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1. antibiotic resistance—zone of inhibition measurement, mast ring comparison, dosage-based treatment selection strategy
2. photosynthetic bacteria—light reaction locations, pigment absorption spectrum differences, structural adaptation for photosynthesis
3. vanilla plant microbiology—TMV classification, microbial plastic degradation, Pseudomonas CO₂ conversion and vanilla by-product synthesis
4. GALP transport and metabolism—rubber production in trunk cells, tree age estimation through dendrochronology and growth ring analysis
5. climate change response—drought impact on biodiversity, afforestation vs agriculture for carbon balance, sustainability and local resource use
6. enzyme activity—temperature tolerance range, Q₁₀ value calculation, enzyme denaturation rate during storage, optimal activity shifts over time

Edexcel International AS/A Level Biology (WBI) Jan 2023 Biology (WBI) directory

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Classification: Unit 4

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Biology WBI14/01 January 2023 | Edexcel International A Level Past Papers With Mark Scheme

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