Problem 1. Define the term ubiquitous and explain whether this term can be used appropriately to describe bacteria and archaea.
Problem 2. Based upon your knowledge of cell wall structure, explain how the microbes causing meningitis and typhoid fever can induce fever and systemic shock in an infected patient.
Problem 3. Summarize the endosymbiotic theory and explain how it accounts for major structural similarities and differences between bacterial and eukaryotic cells.
Problem 4. Summarize the general life cycle of a protozoan, explaining the importance of the various stages in disease transmission and species identification.