Aqa a level biology exam - Study guides, Class notes & Summaries

This is the Mark scheme for the AQA A level Biology - Paper 2 June 2022 exam paper. The document is official and only sold for a limited time. It is locked on the AQA website. This is normally used as mock exams by your teachers !!

AQA A Level Biology Exam Revision Questions With 100% Correct And Verified Answers 2024

The adult damselfly uses a tracheal system for gas exchange. Explain three ways in which an insect's tracheal system is adapted for efficient gas exchange. (3) Co-Transport (Not mark scheme specific, only here as a guidance) Compare and contrast mitosis and meiosis [Differences Mitosis(4), Meiosis(6)][Similarities (2)] Describe the chemical reactions involved in the conversion of polymers to monomers and monomers to polymers. Give two named examples of polymers and their associated mon...

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90. What is leftover after the pathogens have been eradicated? 91. What forms the cellular response? 92. What forms the humoral response? 92. What is the primary immune response? 93. Why is the primary response so slow? 94. What do the different memory cells remember? 95. What is the secondary immune response? 96. Why is the secondary immune response quicker? 97. What is in vaccines? 98. What is Herd Immunity? 99. What kinds of anti...

Great for practice, typically used for mocks

What is photosynthesis? Occurs ONLY in plants. The plant makes glucose from light, carbon dioxide and water What is the equation for photosynthesis? 6CO2 + 6H2O -> C6H12O6 + 6O2 How is energy stored in plants? In the glucose until plants release it by respiration What is a metabolic pathway? A series of reactions that are catalyzed by different enzymes and result in one or more products - photosynthesis What is aerobic respiration? Respiration with oxygen What is anaerobic respiratio...