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Micro Exam #1 - Introduction to Microbiology DEA 1135 Exam...

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Introduction to Microbiology DEA 1135 Exam 1 1. Microbiology is the study of: a. Bacteria b. Viruses c. Microorganisms d. All of the above 2. Humans do not benefit from microbes; microbes only make us sick. a. True b. False 3. Robert Koch discovered the bacterium, Mycobacterium tuberculosis. a. True b. False 10. Edward Jenner is called the father of microbiology. 11. Koch's postulates were set down to establish: 12. Anton van Leeunhoek is considered one of the first persons to describe: 13. The development of microbiology was associated primarily with: a. Reducing the spread of infectious diseases b. Improving the health of the human population c. Both A and B d. None of the above 14. Microorganisms that are harmful and disease producing are called: 1
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15. Louis Pasteur perfected the method of destroying lactic acid-forming bacteria that cause milk to sour. 16. The body's natural defenses can be broken into categories of: 17. Cross contamination refers to: a. Unwanted spread of infection b. Computer virus c. Photosynthesis abilities d. Bright field microscopy 18. Before 1900, childhood infections killed as many as 1/2 of the children born. 19. Microorganisms can be divided into two different cell categories, the ___________ and the ___________. 20. Bacteria are _______________because they do not have nucleus. 21. In microbiology, all ______________ have a true nucleus. a. prokaryotes b. eukaryotes c. ukarybags d. microorganisms 22. Which of the following cell types are considered to be eukaryotes? 2
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23. Cells are the smallest entity capable of independent life. Characteristics of a cell include:
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