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Classification: AQA Paper 1
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Crash report
Biology 7401/1 June 2023
The exam emphasizes biological processes, including protein synthesis, DNA replication, and membrane structure. Key areas include the genetic code properties, mechanisms of gas exchange, and lipid bilayer formation. Experimental design topics cover surface area and diffusion rates, biodiversity analysis in soils, and mitosis in plant roots. Physiological and immunological aspects involve T-cell activation, HPV transmission, and vaccine evaluation. Transport mechanisms are explored through sucrose and glucose movement in plants and mammals. Analytical skills are assessed via calculations involving cell volumes, standard deviations, and indices of diversity, integrating theoretical understanding with practical application.