Biology 9700/23 Oct Nov 2012 | Cambridge AS Level Past Papers With Mark Scheme

1. Identification of eukaryotic organelles and their respective functions in cellular processes.
2. Role and mechanism of antibiotics, including competitive inhibition in pathogens and its specificity to bacterial enzymes.
3. Statistical correlation between smoking habits and lung cancer mortality, highlighting dose-response relationship.
4. Harmful components of tobacco smoke and their physiological impacts on the cardiovascular and respiratory systems.
5. Structural adaptations of xylem vessels facilitating efficient water transport in plants.
6. Ribosome function in protein synthesis, translation accuracy, and effects of codon mutations on polypeptide formation.