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Cambridge
9700
2025–2027
Paper 4
Paper 4
A Level Structured Questions
Energy and respiration
ATP, glycolysis and anaerobic respiration · Krebs cycle and oxidative phosphorylation
2 subtopic lessons
Photosynthesis
Light-dependent reactions · Calvin cycle and limiting factors
2 subtopic lessons
Homeostasis
Homeostasis and the kidney · Blood glucose control
2 subtopic lessons
Control and coordination
Nerve impulses and synapses · Muscle contraction and plant responses
2 subtopic lessons
Inheritance
Meiosis and variation · Monohybrid and dihybrid inheritance
2 subtopic lessons
Selection and evolution
Natural selection and population genetics · Speciation and evolution
2 subtopic lessons
Classification, biodiversity and conservation
Classification and biodiversity · Conservation and human impact
2 subtopic lessons
Genetic technology
Recombinant DNA and PCR · Genetic engineering applications
2 subtopic lessons