Biology 9700/13 Oct Nov 2017 | Cambridge AS Level Past Papers With Mark Scheme

1. Light microscope resolution and its impact on visibility of cellular structures; stage micrometer calibration for chloroplast measurement.

2. Organelle identification in radioactively labeled cytosine experiments; chloroplast and mitochondrial features.

3. Distinguishing competitive enzyme inhibition and understanding protein structural levels using insulin and catalase examples.

4. Effects of immobilization on β-glucosidase activity, substrate concentration impact on reaction rates, and determination of Km and Vmax.

5. Fluid mosaic model validation, osmosis mechanics, telomere definition, and phases of mitotic cell cycles.

6. Antibiotic mechanisms like penicillin on bacterial cell walls, pathogen transmission by droplets, and immunity types in eradication programs.