1. Which germicide was most effective? Was the same germicide most effective for bacteria isolated from the different sources? What could explain this?
2. Which germicide was least effective? Was the same germicide least effective for bacteria isolated from the different sources? What could explain this?
3. Were any bacteria from a specific source most resistant to the different germicides? If so, which source?
4. What was the purpose of the dry filter paper?
5. Look up the chemical formulas for bleach, isopropyl alcohol, and chlorhexidine gluconate (the active ingredientin Hibiclens). How does each chemical achieve its germicidal properties?