Based on your research and readings, respond to the following:
1) Why is it important to have a pure culture and not a mixed culture when performing biochemical tests?
2) How does culturing an organism on several different types of media can help identify an organism in a relatively short period of time?
3) What is the technique used to isolate pure cultures from a specimen that contains mixed flora? Describe the technique.
4) What are the characteristics by which bacterial colonies may be distinguished? Describe at least four such characteristics.