1. Give five examples that illustrate how bacteria are important to other types of organisms.

2. Distinguish between:

3. What structures do prokaryotic cells have that are not found in eukaryotic cells?

4. What are the criteria that microbiologists use in classifying prokaryotes?

5. How can the polymerase chain reaction be useful in studying moneara/prokaryotes that do not survive in laboratory culture?

6. List Koch’s postulates and explain why they are important.

1. Why do scientists know little about prokaryotic diversity relative to plant and animal diversity?

2. State whether the following infections are airborne, directly transmitted, passed by arthropods, or in food or water.

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