Biology WBI14/01 June 2022 | Edexcel International A Level Past Papers With Mark Scheme
Edexcel
International AS/A Level
Biology (WBI)
Jun
2022
2. bacterial growth quantification—dilution plating, colony count accuracy, growth rate constant calculation, sealing methods for contamination control
3. skin microbiome variation—age-related bacterial shifts, experimental design for valid microbial data, macrophage role in innate immunity
4. vocal learning in endangered species—regent honeyeater song loss, captive imprinting techniques, genetic similarity via sequencing
5. energy flow in ecosystems—NPP, GPP, respiration relationship, energy transfer inefficiency limiting trophic levels, microorganism role in nutrient recycling
6. HIV replication and epidemiology—virus component identification, infection and mortality trends, vaccine effect modeling, graph interpretation methodology
معلم موافق رایگان بودن است.
1. antibiotic classification—bactericidal vs bacteriostatic action, resistance prevention strategies, host-cell targeting differences2. bacterial growth quantification—dilution plating, colony count accuracy, growth rate constant calculation, sealing methods for contamination control
3. skin microbiome variation—age-related bacterial shifts, experimental design for valid microbial data, macrophage role in innate immunity
4. vocal learning in endangered species—regent honeyeater song loss, captive imprinting techniques, genetic similarity via sequencing
5. energy flow in ecosystems—NPP, GPP, respiration relationship, energy transfer inefficiency limiting trophic levels, microorganism role in nutrient recycling
6. HIV replication and epidemiology—virus component identification, infection and mortality trends, vaccine effect modeling, graph interpretation methodology
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omer uner 
