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Biology (A) 9BN0/03 May June 2022

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1. Phototropism and Auxins: Investigating oat coleoptile curvature towards light, effect of shading on growth direction, and role of IAA in elongation. 2. Influenza Virus and Immunology: Why antibiotics are ineffective against viruses, spike protein mutations, and methods to compare different viral strains. 3. Ecosystem Succession and Carbon Storage: Graph analysis of biomass and productivity over time, effects of plant succession on atmospheric CO₂ levels. 4. Antimicrobial Properties of Lantana Leaves: Comparing extraction solvents for antibacterial efficacy, inhibition zones for Gram-positive and Gram-negative bacteria. 5. Neuroscience and Habituation: Effect of synapsin protein reduction on fruit fly learning response, measuring jump response, and synaptic vesicle inhibition. 6. Metabolism and Storage Molecules: Conversion of starch to glycogen in red flour beetle eggs, glucose metabolism during embryonic development, and respirometer use to detect aerobic respiration.
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