Chat with us, powered by LiveChat 1 Quiz 1: The Scientific Method and Introduction to Microbiology (25 points)Belo | WriteMoh

1 Quiz 1: The Scientific Method and Introduction to Microbiology (25 points)Belo

1 Quiz 1: The Scientific Method and Introduction to Microbiology (25 points)Below is a copy of Quiz 1 (25 points). Read carefully and answer the questions. This is an openbook quiz, however, you are expected to do your own work and for the short answer questionswrite the answers using your own words*. Submit as a Word or rtf attachment in the Assignmentfolder for Quiz 1.Please save your Quiz 1 Answer Sheet in the following format or the file name: Your LastName, first name initial_Quiz 1 (e.g., Smith, J_Quiz 1). I download all of the quizzes and readthem off-line and your name will prevent any problems with having your responses replaced bythose of a classmate.The quiz is due by 11:59 P.M. Eastern Time 30 October 2016. Points will be deducted forunapproved late submissions (see Grading Policy in the syllabus).Part A. Select the best answer(s) or fill in the blank (1 point each).1. The binomial name for the bacterium Mycobacterium tuberculosis represents:a. its kingdom and genus names.b. its genus and species names.c. its family and class names.d. its domain and family names.2. Which of the following provides evidence that bacteria and archaea are not closely related?a. there are differences in their ribosomal RNA (rRNA).b. their cell walls are structurally different.c. archaea have membrane organelles, but bacteria do no.d. both a and b.3. Using the scientific method to explain an observation (2 correct answers)a. stops you from making mistakesb. is only useful for scientific experimentsc. lets you correct mistakesd. always produces the correct answere. includes a hypothesis that is testable and falsifiable4. Koch’s postulates provided guidelines fora. understanding the process of fermentation.b. relating certain microorganisms with certain diseases.c. creating a vaccine to trigger the body’s immune system to develop antibodies thatfight microbes.d. sterilizing surgical instruments. 2 5. What was Edward Jenner’s contribution to microbiology?a. He proposed the germ theory.b. He developed the compound microscope.c. He discovered how to create a vaccine to trigger the body’s immune system todevelop antibodies that fight microbes.d. He developed the binomial nomenclature system.Part B. Short answers (write answers as complete sentences and in your own words*).Important: You must include a complete citation for the source(s) of informationyou used to answer each question (full citations may be placed at the end as longas in-text citations are provided with your answer). Points will be deducted forincomplete citations and no points will be earned for answers without sourcescited. See the Syllabus for links to tutorials and examples of howto avoid plagiarism and to write in your own words.6. (2 points) List the six major types of microbes (one is not known to cause disease) and thedomain for each in the three domain scientific classification system.7. (1 point) Do scientists try to prove their ideas by using the scientific method? Explain.8. (5 points) The table below outlines a series of experiments Pasteur performed to demonstratethat bacterial contamination of nutrient broth did not develop by the spontaneous generationof microbes, but was caused by cells on dust particles in air that entered the containers. Eachflask contained a nutrient-rich broth that was boiled at the start of the tests. Based on Pasteur’sexperiments on spontaneous generation, what predictions can you make about the growth ofmicroorganisms in each flask and explain/describe the basis or reason for your prediction?Why was the broth boiled? Which flasks are controls and why? Briefly explain how theexperiments supported or refuted the doctrine of spontaneous generation of bacteria.Flask 1 is opento the air 8. (4 points) Flask 2 issealed so thatno air enters Flask 3 has ahorizontalneck that isopen to theair, but the airentering issterilized Flask 4 is aswan-neckflask left opento the air 3 a. Describe an example of hypothesis-driven science described in "History ofMicrobiology" in Course Module 1, or The Process of Science in week 1 topics.Describe the importance of the findings.b. Describe an example of discovery-based science described in "History ofMicrobiology" in Course Module 1 The Process of Science in week 1 topics.Describe the importance of the findings.9. (8 points) Read and answer the questions for the following article:University of Missouri-Columbia. (2016, October 7). Breast milk protein safely reduceshospital infections in preemies. ScienceDaily. Retrieved October 7, 2016 fromwww.sciencedaily.com/releases/2016/10/161007085718.htma.What problem is the rationale for conducting the research?b. What is lactoferrrin? What is it function or importance for health? Provide completecitations for sources of informationc. What was the purpose and hypothesis of the experiment?d. What were the independent and dependent variables of the study? Explain.e. What was the control group? Was it used as a positive or negative control and why?f. What data were collected?g. Summarize the results in a table*.h. What was the major conclusion of the study and its importance?i. Is any important information about how the study was performed or findings left out inthe ScienceDaily article? If so, what information is missing?*For the table make sure to include a title for the table and labels for the columns. Theindependent variable and control are listed in the most left hand column and the results ofthe dependent variable(s) are in the other columns. Include units of measures asappropriate.1 Quiz 1: The Scientific Method and Introduction to Microbiology (25 points)Below is a copy of Quiz 1 (25 points). Read carefully and answer the questions. This is an openbook quiz, however, you are expected to do your own work and for the short answer questionswrite the answers using your own words*. Submit as a Word or rtf attachment in the Assignmentfolder for Quiz 1.Please save your Quiz 1 Answer Sheet in the following format or the file name: Your LastName, first name initial_Quiz 1 (e.g., Smith, J_Quiz 1). I download all of the quizzes and readthem off-line and your name will prevent any problems with having your responses replaced bythose of a classmate.The quiz is due by 11:59 P.M. Eastern Time 30 October 2016. Points will be deducted forunapproved late submissions (see Grading Policy in the syllabus).Part A. Select the best answer(s) or fill in the blank (1 point each).1. The binomial name for the bacterium Mycobacterium tuberculosis represents:a. its kingdom and genus names.b. its genus and species names.c. its family and class names.d. its domain and family names.2. Which of the following provides evidence that bacteria and archaea are not closely related?a. there are differences in their ribosomal RNA (rRNA).b. their cell walls are structurally different.c. archaea have membrane organelles, but bacteria do no.d. both a and b.3. Using the scientific method to explain an observation (2 correct answers)a. stops you from making mistakesb. is only useful for scientific experimentsc. lets you correct mistakesd. always produces the correct answere. includes a hypothesis that is testable and falsifiable4. Koch’s postulates provided guidelines fora. understanding the process of fermentation.b. relating certain microorganisms with certain diseases.c. creating a vaccine to trigger the body’s immune system to develop antibodies thatfight microbes.d. sterilizing surgical instruments. 2 5. What was Edward Jenner’s contribution to microbiology?a. He proposed the germ theory.b. He developed the compound microscope.c. He discovered how to create a vaccine to trigger the body’s immune system todevelop antibodies that fight microbes.d. He developed the binomial nomenclature system.Part B. Short answers (write answers as complete sentences and in your own words*).Important: You must include a complete citation for the source(s) of informationyou used to answer each question (full citations may be placed at the end as longas in-text citations are provided with your answer). Points will be deducted forincomplete citations and no points will be earned for answers without sourcescited. See the Syllabus for links to tutorials and examples of howto avoid plagiarism and to write in your own words.6. (2 points) List the six major types of microbes (one is not known to cause disease) and thedomain for each in the three domain scientific classification system.7. (1 point) Do scientists try to prove their ideas by using the scientific method? Explain.8. (5 points) The table below outlines a series of experiments Pasteur performed to demonstratethat bacterial contamination of nutrient broth did not develop by the spontaneous generationof microbes, but was caused by cells on dust particles in air that entered the containers. Eachflask contained a nutrient-rich broth that was boiled at the start of the tests. Based on Pasteur’sexperiments on spontaneous generation, what predictions can you make about the growth ofmicroorganisms in each flask and explain/describe the basis or reason for your prediction?Why was the broth boiled? Which flasks are controls and why? Briefly explain how theexperiments supported or refuted the doctrine of spontaneous generation of bacteria.Flask 1 is opento the air 8. (4 points) Flask 2 issealed so thatno air enters Flask 3 has ahorizontalneck that isopen to theair, but the airentering issterilized Flask 4 is aswan-neckflask left opento the air 3 a. Describe an example of hypothesis-driven science described in "History ofMicrobiology" in Course Module 1, or The Process of Science in week 1 topics.Describe the importance of the findings.b. Describe an example of discovery-based science described in "History ofMicrobiology" in Course Module 1 The Process of Science in week 1 topics.Describe the importance of the findings.9. (8 points) Read and answer the questions for the following article:University of Missouri-Columbia. (2016, October 7). Breast milk protein safely reduceshospital infections in preemies. ScienceDaily. Retrieved October 7, 2016 fromwww.sciencedaily.com/releases/2016/10/161007085718.htma.What problem is the rationale for conducting the research?b. What is lactoferrrin? What is it function or importance for health? Provide completecitations for sources of informationc. What was the purpose and hypothesis of the experiment?d. What were the independent and dependent variables of the study? Explain.e. What was the control group? Was it used as a positive or negative control and why?f. What data were collected?g. Summarize the results in a table*.h. What was the major conclusion of the study and its importance?i. Is any important information about how the study was performed or findings left out inthe ScienceDaily article? If so, what information is missing?*For the table make sure to include a title for the table and labels for the columns. Theindependent variable and control are listed in the most left hand column and the results ofthe dependent variable(s) are in the other columns. Include units of measures asappropriate.

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