Biology 9700/41 Oct Nov 2013 | Cambridge AS Level Past Papers With Mark Scheme

1. Investigating Huntington’s disease, analyzing genetic patterns related to CAG repeats, and evaluating personal decisions regarding genetic testing.

2. Exploring mammoth evolution via natural selection, hemoglobin adaptations for cold climates, and comparative genomics with modern relatives.

3. Understanding ATP structure and cellular roles, comparing energy yields of different respiratory substrates, and their usage under specific conditions.

4. Analyzing menstrual cycle hormonal changes, estimating cycle phases, and examining the impact of estrogen on cognitive tasks.

5. Examining hybrid maize development, demonstrating inbreeding depression, and analyzing environmental effects on crop yields.

6. Investigating nerve impulse conduction, effects of myelination, and implications of autoimmune diseases like multiple sclerosis.

7. Evaluating light-dependent photosynthesis processes, interpreting pigment roles, and assessing photophosphorylation dynamics.

8. Analyzing tiger population decline, exploring endangerment causes for specific species, and calculating conservation-related metrics.

9. Explaining gibberellin roles in seed germination, linking genetic regulation to enzyme synthesis and metabolic activation.