1. Fertilization and Genetic Content: Acrosome reaction, sperm cell genetics, events after fertilization, and polyspermy prevention. 2. Cell Membranes and Transport: Structure of phospholipid bilayers, osmosis, active transport, and the function of CFTR proteins in mucus regulation. 3. DNA and Genetic Code: DNA structure in bacteria, semi-conservative replication, effects of mutations, and the triplet nature of the genetic code. 4. Photosynthesis and Climate Change: Light-dependent and light-independent reactions, carbon fixation, climate data interpretation using pollen analysis. 5. Enzymes and Metabolic Pathways: Effect of thrombin on fibrinogen conversion, cardiovascular disease risk factors, and enzyme kinetics in clot formation. 6. Gas Exchange and Adaptations: Structure of collagen, efficiency of blood-gas barriers in different species, and adaptations for efficient oxygen exchange.