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Biology 9700,21 Oct Nov 2024 | Cambridge AS - A Level Past Papers With Mark Scheme

1. Cell Structure & Function | Comparison of organelles in animal, plant, and prokaryotic cells; specialization of epithelial cells for absorption; role of mitochondria in active transport.

2. Circulatory System & Blood Transport | Blood vessel types, properties of water as a solvent, oxygen dissociation curves in penguins, Bohr effect, and heart rate regulation.

3. Gas Exchange & Immunology | Bronchus and bronchiole structure, tuberculosis test strip mechanism using monoclonal antibodies, and immune response to TB vaccination.

4. Biochemistry & Metabolism | Sucrose hydrolysis, phloem function in sucrose transport, girdling experiment on carbohydrate movement, and impact of sucrase gene mutations.

5. Enzyme Activity & Industrial Applications | Trypsin activity on casein, enzyme concentration effects on reaction rates, immobilized vs. free enzyme efficiency at high temperatures.

6. Cell Division & Mitosis | Identifying DNA-containing structures, mitotic stage identification, and effects of colchicine on spindle fiber formation.
CIE AS & A Level Biology (9700) Nov 2024

Laura Bellini

Classification: Paper 2
Page count: 24
Viewed: 114
Last update: 3 months ago
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