Biology 9700/22 May June 2015 | Cambridge AS Level Past Papers With Mark Scheme

1. Photosynthetic adaptations in Camellia sinensis, including surface area and guard cell mechanisms.
2. Monoclonal antibody application in hormone purification and recombinant human FSH production in mammalian cells.
3. Genetic variation differences between cross-pollination and self-pollination in Mimulus guttatus.
4. Conservation strategies for the endangered tarplant, including seed germination influenced by gibberellins and extinction risk modeling.
5. Behavioral preferences in mole rats across populations and their potential classification as distinct species.
6. Roles of glycolysis, ATP production methods, and respiratory quotient (RQ) analysis in germinating seeds.
7. Genetic mechanisms for multiple alleles and inheritance in fur pigmentation and eye color in mice.
8. Advantages of batch culture for antibiotics and continuous culture for mycoprotein production, alongside the hybridoma method for monoclonal antibodies.