Biology 9700/23 Oct Nov 2022 | Cambridge AS Level Past Papers With Mark Scheme

- Translation process, polypeptide synthesis, amino acids, cysteine, covalent bond formation, organelle involvement
- Protein structure, secondary structure description, tertiary structure explanation, absence of cysteine, structural stability mechanisms
- Macrophage function, bacterial engulfment process, lysosome roles in cellular digestion
- Tuberculosis (TB) case analysis, percentage change calculation, trend description, significance of cases per 100,000 population, challenges in TB reduction
- Xylem vessel function, water movement mechanisms, cavitation effects, environmental factors influencing cavitation rates
- Mitosis stages, microtubule roles, genetic identity in daughter cells, cell cycle events ensuring genetic consistency