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M4A1: Create Your Own Bacterial Key

Throughout the previous modules you have gained information on the methods used to
distinguish different bacteria from one another. This activity serves to reinforce the concepts
associated with biochemical tests, help you learn the metabolic strategies associated with
individual or groups of bacteria, and strengthen your understanding of basic morphological
differences. For this assignment, you are to choose one (1) of the groups, either A)
oral/respiratory tract pathogens and commensals, or B) urogenital pathogens and commensals
or C) gastrointestinal tract pathogens and commensals, and develop a key based on differential
staining and culturing, morphology and the suite of biochemical tests available to identify
bacteria.

A) Typical oral/respiratory tract pathogens and commensals Streptococcus pneumonia

Yersina pestis

Haemophilus influenza

Streptococcus viridans

Staphylococcus aureus

Bacillus antracis

Klebsiella pneumonia

Bordetella pertussis

Streptococcus pyogenes

Chlamydia pneumonia

Psuedomonas aeruginosa

Mycobacterium tuberculosis

Mycoplasma pneumoniae
B) Typical urogenital pathogens and commensals
Neisseria gonorrhoeae

Streoticiccus agalactiae

Staphylococcus saprophyticus

Clostridium perfringens

S. pyogenes

Haemophilus vaginalis

Ureaplasma urealyticum

Treponema pallidum

Chlamydia trachomatis

Serratia marcescens

Trichomonas vaginalis

C) Typical gastrointestinal pathogens and commensals Campylobaacter jejuni

Enterobacter faecalis

Salmonella typhimurin

Shigella sonnei

Escherichia coli

Bacillus cereus

Clostridium perfringens

Vibrio cholerae

C. dificile

Helicobacter pylori

Alcaligenes faecalis

Listeria monocytogenes

The grade for your key comprises 5% of your final grade.
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M4A2: Project 1

Background
You are the science reporter for your local newspaper. Your editor asks you to write an article on
a major topic within the general field of microbiology. He stipulates that in this article you need to
include the following three things:
1. An historical timeline for the major scientific discoveries that has led to our
current understanding of the topic.
2. A summary of our current understanding of the topic.
3. A projection of where the next major advance or breakthrough in your topic will
come from.
Description
For project 1 you will do your background research. Specifically, you will choose a suitable topic,
identify appropriate resources, and generate a brief outline of the article which you will write for
Project 2. Your topic must fall under the following subheadings:
1. Microbiology and human health
2. Microbiology and the environment
3. Microbiology and agriculture
4. Microbiology and industry
Procedure
1. Consult your textbook to choose a topic under one of the four subheadings listed
above. For example, from the area Microbiology and industry, you might examine

the use of organisms by the alcoholic beverage industry. More specifically, are
you interested in wine and the grapes that produce it? You could investigate the
actions of a fungus called “noble rot” or the cultures involved in the fermentation
of the grapes. [Need help choosing a topic?]
2. Email your topic to your instructor for approval.
3. Once your receive instructor approval, do some background research on your
topic to get more familiar with it. Using the Credo Reference and/or Britannica
Online: Academic Edition databases, find 1-2 articles/encyclopedia entries on
your topic that will help you complete your Project 2 article. You can access these
databases from the Library’s Background Information page.
4. Now that you have some grounding in your topic, find 5-6 peer-reviewed
research articles that will help you complete your Project 2 article using the
Library’s OneSearch tool. OneSearch is found on the Library’s homepage. Watch
the OneSearch Tips video for assistance getting started. [Note: In OneSearch
you can limit your results to peer-reviewed journals.]
5. You should now have a total of at least 7 sources to use for your Project 2 article.
6. After reading the sources, think of the main points that you will cover and develop
an outline for your Project 2 article. [Need help writing an outline?]
7. In a single Word document, submit your outline and list of at least 7 sources
(references) in APA format and place it in the appropriate assignment dropbox.
[Need help with APA format?]
For additional information on how your work will be graded, go to the School of Liberal Arts
Writing Rubric.
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M5A1: All Fungi Are Not the Same!

In this activity, you have the opportunity to apply your understanding of material covered in your
textbook on fungi and how they are alike and how they differ.
Using what you’ve learned from your reading, in your own words please:
Differentiate among the three fungal phyla, Zygomycota, Ascomycota, and Basidiomycota on
the basis of their reproduction methods, means of obtaining nutrients, and importance to
humans. Be sure to include representative examples of each type of organism in your response.
Your essay should be approximately two pages in length, double-spaced in 10 to 12 point font. If
you refer to sources of information besides the textbook, please be sure to cite them in the text
and on a reference page using APA format.