1. What is the ultimate reason that a health professional orscientist would be looking to see if a bacterial infection was gramnegative or gram positive? Explain your answer.
2. Why might an antibiotic work better for some bacteria speciesthan others? Be specific.
3. What are nitrogen fixing bacteria? Hint: Describe them, wherethey are located, what they do, and why they are importantecologically.
4. Do Cyanobacteria have chloroplasts? Why or why not?
