Biology 9700/41 Oct Nov 2009 | Cambridge AS Level Past Papers With Mark Scheme

1. Definitions and conservation strategies for endangered species like the squirrel monkey, including habitat protection and breeding programs.
2. Population growth dynamics in favorable environments and the role of phenotypic variation in natural selection processes.
3. Comparison of free and immobilized bacterial cell methods in protease production, emphasizing cost-effectiveness and productivity in industrial settings.
4. Genetic hybridization in wheat evolution, focusing on chromosome doubling and reproductive isolation mechanisms.
5. Hormonal regulation in the menstrual cycle, IVF preparation with FSH, and feedback mechanisms blocked by clomiphene.
6. Analysis of DNA banding patterns for cystic fibrosis diagnosis and the role of genetic counseling in interpreting results.
7. Genetic inheritance in Drosophila melanogaster, including allele definitions, phenotypic ratios, and chi-squared analysis for observed data.
8. Photosynthetic responses to light intensity and carbon dioxide concentration, with optimal temperature effects and enzymatic activity considerations.
9. Descriptions of glycolysis, ATP structure, and its role as an energy currency in biological systems.
10. Reflex arc pathways, importance in rapid responses, and the role of the myelin sheath in nerve impulse transmission.