BIOL/MCBL 121 Winter 2011: Homework Assignment 1 1. Describe Louis Pasteur’s famous “swan neck flask” experiment and how it disproved the theory of spontaneous generation? 2. List Koch’s postulates. What is the major limitation of Koch’s postulates? 3. What are the major differences in cell structure between prokaryotes and eukaryotes? 4. What are the two most common shapes of bacteria? Give at least one more example of other shapes of bacteria. 5. List essential structures of a prokaryotic cell. 6. Why is cell membrane important and what is the major component of cell membranes? 7. What are the major differences between Gram positive and Gram negative bacteria? How does the Gram stain differentiate between Gram positive and Gram negative
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