Biology 9700/12 May June 2017 | Cambridge AS Level Past Papers With Mark Scheme

1. Cellular structures and their enzymatic roles, focusing on phospholipid bilayers and hydrolytic enzyme compartments.
2. Comparative analysis of prokaryotic and eukaryotic DNA structural differences, highlighting chromosomal features and associated proteins.
3. Detection capabilities of microscopy techniques, emphasizing size limits and visual identification of microbial structures.
4. Functional components of chloroplasts and mitochondria, addressing DNA, ribosomes, and mRNA presence.
5. Biochemical transformations in proteins and polysaccharides, including enzyme-specific substrate interactions and structural adaptations.
6. Immunological responses and vaccination impacts, discussing antibody production, immunity types, and lymphocyte activation.