Question: What is a pure culture and how can one be
What is a pure culture and how can one be obtained? Why are pure cultures important for medical microbiology and other areas of microbiology?
Answer to relevant QuestionsWhat are Koch’s postulates and how did they influence the development of microbiology? Why are Koch’s postulates still relevant today? List several functions of the outer membrane in gram- negative Bacteria. What is the chemical composition of the outer membrane? Describe the structure and function of a bacterial flagellum. What is the energy source for the flagellum? How do the flagella of Bacteria differ from those of Archaea in both size and composition? What evidence exists that supports the idea that the major organelles of eukaryotes were once Bacteria. Calculate the amount of time it would take a cell of Escherichia coli (1 x 2 mm) swimming at maximum speed (60 cell lengths per second) to travel all the way up a 3-cm-long capillary tube containing a chemical attractant.
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