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Microbiology Exam 1 Questions and Answers.docx

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robiology Exam 1 Questions and Answers 1. The structure that confers structural strength on the cell is known as the cell wall. 2. Characteristics of cellular organisms a. Metabolism b. Regenerati... on and reproduction c. Communication 3. Louis Pasteur developed the vaccine(s) for a. Anthrax b. Fowl cholera c. Rabies 4. Microbial sterilization is used to kill microbes in or on objects. 5. Basic microbiology can be used to a. Probe the fundamental processes of life b. Study characteristics of cells of multi cellular organisms c. Model our understanding of cellular processes in multicellular organisms 6. The largest mass of living material on Earth comes from microorganisms. 7. What are the accomplishments of Louis Pasteur? a. Determined that the alcohol-making process was mediated by microbial fermentation refuted the theory of spontaneous generation b. Developed heat sterilization techniques that involved the creation of a specialized necked flask c. Developed the first rabies vaccine and treated thousands of individuals 8. Generally true statements about microbials a. Microbial cells exist as single cells b. Microbial cells carry out their like processes of growth independently c. Microbial cells exclude the cells of plants and animals 9. The theory of spontaneous generation was refuted by the work of Louis Pasteur. 10. A pure culture is a population of identical cells. 11. All organisms require the macronutrients phosphorus, potassium and magnesium. 12. Siderophores bind iron and transport it into the cell. 13. Micronutrients are metals but growth factors are organic. 14. Chemolithotrophs are heterotrophs. This study source was downloaded by 100000831777157 from CourseHero.com on 07-14-2022 06:30:18 GMT -05:00 https://www.coursehero.com/file/46227245/Microbiology-Exam-1-Questions-and-Answersdocx/ 15. For a carbon source, chemoorganotrophs generally use glucose. 16. Organisms likely to be found in extreme environments are Archaea. 17. Syphilis and Lyme disease are both caused by spirochetes. 18. Ribosomal RNA-based studies reveal that all organisms are thought to have diverged from a common ancestral organism (LUCA) 19. The terms “run” and “tumble” are associated with cell movement. 20. Magnetosomes allows bacteria to sense magnetic fields. 21. Bacteria and [Show More]

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