PEARSON (PEARSON) • Biology A Salters-Nuffield

Mark Scheme (Results) Summer 2025 Pearson Edexcel A Level GCE In Biology A Salters - Nuffield (9BNO) Paper 2: Energy, Exercise and Co-ordination

Detailed and comprehensive notes on habituation (Edexcel biology A). Includes core practical 18 (investigating habituation to a stimulus). [“A-Level Biology: Edexcel A Year 1 & 2 Complete Revision & Practice” (CGP, ISBN: 9781782942986), “Salters-Nuffield AS/A level Biology Student Book 1” (Pearson, ISBN: 9781447991007) and “Salters-Nuffield A level Biology Student Book 2” (Pearson, ISBN: 9781447991014) used as reference materials].

Detailed and comprehensive notes on brain structure and development (Edexcel biology A). Covers the cerebral cortex/hemispheres, CT scans, PET Scans, MRI scans, fMRI scans, the visual cortex, the critical period for visual development and studying brain development. [“A-Level Biology: Edexcel A Year 1 & 2 Complete Revision & Practice” (CGP, ISBN: 9781782942986), “Salters-Nuffield AS/A level Biology Student Book 1” (Pearson, ISBN: 9781447991007) and “Salters-Nuffield A level Biology Stu...

Detailed and comprehensive notes on control of plant growth (Edexcel biology A). Covers auxins, photoreceptors, photoperiodism and phototropism. [“A-Level Biology: Edexcel A Year 1 & 2 Complete Revision & Practice” (CGP, ISBN: 9781782942986), “Salters-Nuffield AS/A level Biology Student Book 1” (Pearson, ISBN: 9781447991007) and “Salters-Nuffield A level Biology Student Book 2” (Pearson, ISBN: 9781447991014) used as reference materials].

Detailed and comprehensive notes on the eye and photoreceptors (Edexcel biology A). [“A-Level Biology: Edexcel A Year 1 & 2 Complete Revision & Practice” (CGP, ISBN: 9781782942986), “Salters-Nuffield AS/A level Biology Student Book 1” (Pearson, ISBN: 9781447991007) and “Salters-Nuffield A level Biology Student Book 2” (Pearson, ISBN: 9781447991014) used as reference materials].

Detailed and comprehensive notes on neurons, action potentials and synaptic transmission (Edexcel biology A). [“A-Level Biology: Edexcel A Year 1 & 2 Complete Revision & Practice” (CGP, ISBN: 9781782942986), “Salters-Nuffield AS/A level Biology Student Book 1” (Pearson, ISBN: 9781447991007) and “Salters-Nuffield A level Biology Student Book 2” (Pearson, ISBN: 9781447991014) used as reference materials].

Detailed and comprehensive notes on control of breathing rate (Edexcel biology A). [“A-Level Biology: Edexcel A Year 1 & 2 Complete Revision & Practice” (CGP, ISBN: 2986), “Salters-Nuffield AS/A level Biology Student Book 1” (Pearson, ISBN: 1007) and “Salters-Nuffield A level Biology Student Book 2” (Pearson, ISBN: 1014) used as reference materials].

Detailed and comprehensive notes on electrocardiograms (Edexcel biology A). [“A-Level Biology: Edexcel A Year 1 & 2 Complete Revision & Practice” (CGP, ISBN: 9781782942986), “Salters-Nuffield AS/A level Biology Student Book 1” (Pearson, ISBN: 9781447991007) and “Salters-Nuffield A level Biology Student Book 2” (Pearson, ISBN: 9781447991014) used as reference materials].

Detailed and comprehensive notes on electrical activity in the heart (Edexcel biology A). [“A-Level Biology: Edexcel A Year 1 & 2 Complete Revision & Practice” (CGP, ISBN: 9781782942986), “Salters-Nuffield AS/A level Biology Student Book 1” (Pearson, ISBN: 9781447991007) and “Salters-Nuffield A level Biology Student Book 2” (Pearson, ISBN: 9781447991014) used as reference materials].

Detailed and comprehensive notes on respiration (Edexcel biology A). Covers ATP, glycolysis, the link reaction, the Krebs cycle, oxidative phosphorylation, chemiosmosis and anaerobic respiration. [“A-Level Biology: Edexcel A Year 1 & 2 Complete Revision & Practice” (CGP, ISBN: 2986), “Salters-Nuffield AS/A level Biology Student Book 1” (Pearson, ISBN: 1007) and “Salters-Nuffield A level Biology Student Book 2” (Pearson, ISBN: 1014) used as reference materials].