Biology 9700/13 May June 2020 | Cambridge AS Level Past Papers With Mark Scheme

1. Identification of cell structures and functions, including calculations involving magnification and image analysis in microscopy.

2. Analysis of enzymatic reactions, including effects of temperature, pH, and inhibitors on enzyme activity and interpretations of graphical data.

3. Investigation of macromolecular structures and functions, including protein synthesis, polysaccharide bonds, and lipid solubility.

4. Interpretation of biological processes in transport mechanisms, such as diffusion, osmosis, water potential, and active transport in plants and animals.

5. Exploration of blood and immune system functions, including oxygen dissociation curves, red blood cell counts, immunity types, and disease transmission mechanisms.

6. Analysis of respiratory systems and effects of smoking, including identification of gas exchange system components and impacts of substances like carbon monoxide and tar.