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Jacksonville State University - BY 323 - Study Guide - Midterm

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Jacksonville State University - BY 323 - Study Guide - Midterm

School: Jacksonville State University
Department: Biology
Course: Microbiology
Professor: Benjamin Blair
Term: Spring 2018
Tags: Microbiology, Pasture, cells, GramPositive, and GramNegative
Name: Microbiology BY 323 Exam 1 Study Guides
Description: study guide for our first exam. It will be updated as needed till the exam.
Uploaded: 01/29/2018
0 5 3 11 Reviews
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background image Test 1 study guide  1.  Who was responsible for saving the brewing industry? 
2.  What are the characteristics of living systems? 
3.  How was the brewing industry saved? (What did #1 have them do?) 
4.  How did Pasture keep his herd of animals from getting anthrax? 
5.  How did Pasture disprove spontaneous generation? 
6.  Who came up with the germ theory and what is it? 
7.  What are Koch’s postulates? (list them) 
8.  Who made the small pox vaccine and how did he vaccinate people? 
9.  Who was the first to describe microbes? 
10. First to describe bacteria and further develop the microscope. 
11. What is the basic shape of a bacteria with a rod shape called? 
12. What is the basic shape of a bacteria with a circular shape called? 
13. What is the basic shape of a bacteria with a comma like shape called? 
14. What is the basic shape of a bacteria with a spiral shape called? 
15. Lineage (domains) of cells define by rRNA sequencing? 
16.  Bacteria arrangements of a cocci? 
17. What is a differential stain and what is an example? 
18. What is a simple stain? 
19. What are the steps of a gram stain and what does each step do? 
20. What color are gram positives and negatives when a gram stain is completed? 
21. Draw a gram positive and gram negative cross section. 
22. What are some differences in a gram-positive and gram negative? 
23. What is Lipopolysaccharide (LPS)? (compositions, function) 
24. What part of the LPS is the same in all bacteria with it? 
25. Which part of LPS can change overtime with offspring and differs in each bacterium? 
26. Why are bacteria small? 
27. Define prokaryotic.  
28. What makes up bacteria cell walls? 
29. What are flagella? 
30. What is biofilm? 
31. What are the steps to slide preparation? 
32. Define resolution. 
33. What does a bright field do? 
34. How do electron microscopes work? 
35. Who made the phase contrast microscope? 
36. What do phase contrast microscopes do? 
37. What is fluorescence microscopy? 
38. What does a Scanning Electron Microscope show and view? 
39. What are plasmids? 
40. What does the DNA pf microbes typically look like? 
41. Define chemo-organictrophs. 
42. Define chemolithothrophs.  
43. Define binary fission. 
44. Define generation time. 
background image Test 1 study guide  45. What is bactroprenol? 
46. List and define the phases of bacteria growth. 
47. What is a chemostat? 
48. What is dilution rate? 
49. Define microscopic count. 
50. Define viable count. 
51. Define turbidimetic method. 
52. What are the negatives of microscopic counts? 
53. Define spread plate method. 
54. Define pour plate method. 
55. What are the rules on the number of colonies to be accurate? 
56. How do you get a total count from a dilution? 
57. What is the Great Plate Anomaly and why does it occur?  
58. Define cardinal temperature. 
59. Define psychrophile. 
60. Define mesophile. 
61. Define thermophile. 
62. Define hyperthermophile. 
63. When it comes to living in acidity and alkalinity, most organisms are____. 
64. Define neutrophile. 
65. Define acidophile. 
66. Define alkaliphile. 
67. Despite being able to live in high or low Ph, what is true of an organisms internal Ph? 
68. Define Halophiles. 
69. Define extreme halophiles. 
70. Define halotolerant. 
71. Define osmophiles. 
72. Define xerophiles. 
73.  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
background image Test 1 study guide   
 
ANSWERS 
1.  Louis Pasture  2.  –Metabolism: chemical transformation of nutrients  Reproduction: generation of two cells from one 
Differentiation: synthesis of new substances or structures that modify the cell (only in some 
microbes) 
Communication: generation of, and response to, chemical signals (only in some microbes) 
Movement: via self-propulsion, many forms in microbes 
Evolution: genetic changes in cells that are transferred to offspring 
3.  Breweries where made to clean everything with boiling water after so many brews. 
4.  He used one of his older cultures of anthrax and injected his herd with it, effectively 
vaccinating them.  5.  He used a swan neck flask and left the end open so air would enter and sterilized the  broth in the flask. The broth within stayed sterile until the flask was tipped, and the 
broth was allowed to contact the particles trapped in the bend of the flask.  
    6.  Robert Koch; Germs are the cause of diseases 
7.  1. Bacteria (pathogens) must be present in all cases of disease 
2. the bacteria (pathogen) must be isolated in pure culture and grown. 
3. an individual that has never been exposed to the disease is exposed and will have the 
same symptoms as all other cases of infected individuals. 
4. Must be isolated in pure culture again. 
8.  Edward Jenner; he used cow pox to vaccinate people. He noticed milk maids would get  cow pox when first milking cows and they never got small pox.  9.  Robert Hooke. 
10. Antoni Van Leeuwenhoek. 
11. Bacilli 
12. Cocci 

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School: Jacksonville State University
Department: Biology
Course: Microbiology
Professor: Benjamin Blair
Term: Spring 2018
Tags: Microbiology, Pasture, cells, GramPositive, and GramNegative
Name: Microbiology BY 323 Exam 1 Study Guides
Description: study guide for our first exam. It will be updated as needed till the exam.
Uploaded: 01/29/2018
11 Pages 32 Views 25 Unlocks
  • Better Grades Guarantee
  • 24/7 Homework help
  • Notes, Study Guides, Flashcards + More!
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