Biology 9700/43 Oct Nov 2022 | Cambridge AS Level Past Papers With Mark Scheme

- Wild Bactrian camel, Camelus ferus, critically endangered status, extinction risks, conservation efforts.
- Role of International Union for Conservation of Nature (IUCN), biodiversity protection, species assessment, conservation strategies.
- Assisted reproduction techniques, embryo transfer procedure, captive breeding programs, endangered species recovery.
- Photosynthesis process, chloroplast pigments, absorption spectrum, action spectrum, temperature as a limiting factor.
- Mitochondrial structure, aerobic respiration, membrane potential, ATP transport mechanisms, oxidative phosphorylation.
- Genetic engineering principles, ADA deficiency treatment, gene therapy steps, ethical considerations, gene editing for Huntington’s disease.