Biology 9700/12 May June 2014 | Cambridge AS Level Past Papers With Mark Scheme

1. Threshold resolution limits for light microscopy, stage micrometer usage, and organelle membrane permeability.

2. Ribosomal types in prokaryotes, chloroplasts, and mitochondria; structures of glycogen and amino acids relevant to cellular processes.

3. Benedict’s test results for reducing sugar levels, cellulose molecule adaptations, and lipid bilayer formation principles.

4. Enzyme synthesis sequence from transcription to protein folding; peptide bond formation between amino acids.

5. Roles of competitive inhibitors like ritonavir in metabolic pathways and membrane fluidity mechanisms under the fluid mosaic model.

6. Water potential changes in plant cells, transpiration adaptations, and blood pressure regulatory factors.

7. Haemoglobin oxygen affinity changes due to CO\\(_2\\) levels; immune response event sequencing and types of immunity, including artificial passive immunity.