1. Explain why it is notable that Fts-Zproteins have been found in mitochondria andchloroplasts.

2. What is a hierarchical organization? And I need an example

3. What are the similarities and differences in the cell walls and cell membranes of gram positive and gram negative bacteria?

4. Explain why clinical medicine has aninterest in understanding bacterial cell division at the molecularlevel. Give two examples.