Biology WBI15/01 January 2022 | Edexcel International A Level Past Papers With Mark Scheme
Edexcel
International AS/A Level
Biology (WBI)
Jan
2022
2. fast twitch muscle fibers–high ATP turnover, anaerobic respiration dominance, increased lactate tolerance in sprinters
3. loop of Henle as countercurrent multiplier–active ion transport in ascending limb, water reabsorption in descending limb, medullary osmotic gradient
4. ADH in osmoregulation–released from posterior pituitary, increases collecting duct permeability, water reabsorption based on blood water potential
5. phototropism mechanisms–auxin redistribution in coleoptile tip, differential growth due to light direction, evidence from tip removal and reposition experiments
6. PET scan analysis–fluorodeoxyglucose as tracer, positron emission and gamma detection, comparison of brain activity before and after cocaine usage
معلم موافق رایگان بودن است.
1. oxidative phosphorylation in mitochondria–electron transport chain, proton gradient across inner membrane, ATP synthase activity2. fast twitch muscle fibers–high ATP turnover, anaerobic respiration dominance, increased lactate tolerance in sprinters
3. loop of Henle as countercurrent multiplier–active ion transport in ascending limb, water reabsorption in descending limb, medullary osmotic gradient
4. ADH in osmoregulation–released from posterior pituitary, increases collecting duct permeability, water reabsorption based on blood water potential
5. phototropism mechanisms–auxin redistribution in coleoptile tip, differential growth due to light direction, evidence from tip removal and reposition experiments
6. PET scan analysis–fluorodeoxyglucose as tracer, positron emission and gamma detection, comparison of brain activity before and after cocaine usage
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omer uner 
