Biology WBI15/01 January 2021 | Edexcel International A Level Past Papers With Mark Scheme

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1. action potential stages—depolarisation, repolarisation, refractory period, sodium–potassium pump ATP use
2. muscle fibre adaptation—training effects on strength, intermediate fibre structure, fibre type shift
3. seizure localisation—PET scan usage, thermoregulation loss during seizures, brain region activity
4. actin–myosin interaction—ATP hydrolysis by ATPase, mitochondrial dysfunction on electron transport and oxygen use
5. gene therapy for blindness—RPE65 mutation role, dose–response on visual improvement, retinal function restoration
6. exercise recovery—heart rate decrease analysis, cardiac output regulation, autonomic nervous control

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

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Classification: Unit 5

Page count: 40

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Last update: 16 days ago

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Biology WBI15/01 January 2021 | Edexcel International A Level Past Papers With Mark Scheme

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