Comprehensive revision guides packed with worked examples, practice questions, and proven exam techniques.
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This guide provides a comprehensive overview of Photosynthesis (OCR GCSE Biology 4.1), focusing on the core concepts, mathematical skills, and practical applications required to excel in your exams. It breaks down limiting factors, the inverse square law, and provides examiner insights to help you secure top marks.
Respiration is the exothermic reaction that transfers energy from glucose in every living cell. This topic is essential for OCR GCSE Biology, covering aerobic and anaerobic pathways, the body's response to exercise, and the respirometer practical (PAG 4). Mastering this will earn you 8-10 marks across Papers 1 and 2.