Explain spontaneous generation

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Reference no: EM133897688

Questions:

1) Explain spontaneous generation, what is the theory? How was it disproved? Who was involved?

2) Explain and list Koch's postulates, why are they used today to study disease?

3) What is an emerging disease? Why are they important? What impact can they have and why? Explain.

4) What is a gram stain, why is it used? What does it stain? List the steps in a gram stain.

5) Compare and contrast prokaryotes with eukaryotes, how are they similar? Different? Refer to the table in your chapter and explain.

6) Compare and contrast the differences between gram positive and gramnegative cell walls. Explain why they stain differently. List components in each wall.

7) List and explain the four different types of flagella and explain the process of chemotaxis.

8) What are the major organelles found in eukaryotes. List and describe 5. What is the endosymbiotic theory?

9) Diagram (or describe) and explain the steps of the bacterial growth curve.

10) Explain 4 different methods for counting bacterial cells, what are the limitations/advantages of each?

11) Explain and describe the difference between sterilization, disinfection and sanitation. When would each be used?

12) Name and describe 3 methods of heat that may be used to remove bacteria from food and instruments.

Reference no: EM133897688

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