Biology 9700/12 May June 2020 | Cambridge AS Level Past Papers With Mark Scheme

1. Defining resolution in light microscopy and determining the size of viral particles using magnification.

2. Identifying features of cell organelles involved in protein synthesis, lysosome formation, and ATP production.

3. Explaining evolutionary changes in mitochondria from prokaryotes and the role of hydrogen bonds in water's biological properties.

4. Understanding glycosidic bond types in polysaccharides, peptide bond formation in proteins, and facilitated diffusion mechanisms.

5. Analyzing metabolic pathway regulation via non-competitive inhibitors and effects of environmental factors on transpiration.

6. Differentiating blood cell types, interpreting vascular graphs, and assessing effects of tobacco smoke components on human health.