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1. Which of the following structures contains genes for enzymes and antibiotic resistance?
A. Plasmid
B. Pilus
C. Capsule
D. Plasma Membrane
2. Which of the following is the most important structure related to microbial attachment to cells?
A. Flagellum
B. Plasmid
C. Peptidoglycan
D. Glycocalix
3. Which of the following is not a gram-negative bug?
A. Clostridium perfringens
B. Vibrio cholerae
C. Escherichia coli
D. Bordetella pertussis
4. Which of the following is not true related to endotoxins?
A. Endotoxins are secreted from cells.
B. Can be linked to Meningococcemia
C. Produced by gram negative microorganisms
D. Can cause fever
5. Which of the following microorganisms stain well?
A. Escherichia coli
B. Legionella pneumophila
C. Treponema
D. Chlamydia
6. Which of the following microorganisms are not matched correctly with the appropriate isolation
media?
A. Fungi - Sabourand's agar
B. Neisseria gonorrhoeae - Pink colonies media
C. Haemophilus influenzae - Chocolate agar
D. Mycobacterium tuberculosis - Lowenstein-Jensen agar
7. Which of the following diseases and bacteria are matched up incorrectly?
A. Cellulitis - Pasteurella multocida
B. Tularemia - Francisella tularensis
C. Gastritis - Heliobacter pylori
D. Lyme disease - Yersinia pestis
8. Which of the following diseases and bacteria are matched up incorrectly?
A. Treponema pallidum - Syphilis
B. Tinea nigra - Cladosporium werneckii
C. Borrelia burgdorferi - Lyme disease
D. Yersinia enterocolitica - Diptheria
9. Which of the following is not true concerning Staphylococcus aureus?
A. S. aureus is related to inflammation.
B. S. aureus can cause pneumonia
C. S. aureus can lead to acute bacterial endocarditis
D. S. aureus does not make coagulase
10. Which of the following signs and symptoms is not linked to Haemophilus influenzae?
A. Otitis media
B. Pneumonia
C. Malaria
D. Epiglottis
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Hands-on Activity - Photosynthesis
Purpose
This assignment provides you with more practice with graphing techniques using Excel, and provides an opportunity to expand upon your knowledge of the scientific method (from Module 1) and applies your understanding of photosynthesis (Ch 8).
Directions
In this activity, you will graph experimental data relating to how seedlings grow in conditions of light versus dark. Go to the links to files below to find the experimental data in the Excel file titled seedling data chart and the file with instructions on how to create your graph.
First, read the full instructions in "Seedling Growth Response to Light Level Procedure," Seedling experimental procedure.docx Download Seedling experimental procedure.docThis describes how the experimental data was collected and is useful for developing your hypothesis.
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Once you have examined the data, create a graph in Excel by following the instructions for graphing, Excel Instructions-graphing.docx
Provide your hypothesis and your graph in a single document and name it as "Mod2-Activity-Your Initials".
Download Excel Instructions-graphing.docProvide your hypothesis and your graph in a single document and name it as "Mod2-Activity-Your Initials".Submission
Make sure to include your hypothesis, the data provided to you, and the graph in your submission. It is preferable that you submit a single document that is either a Word file, an Excel file, or a PDF file by clicking the Start Assignment button above.
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Required, 30 points. Your hypothesis should be a clear and logical statement predicting the outcome of the experiment. Partial credit may be obtained for this assignment.
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Assignment 2
Hands-on Activity - DNA Extraction
Purpose
The purpose of this assignment is to introduce you to basic DNA extraction techniques by isolating and visualizing DNA from a banana. Although this exercise will be completed in your home, it is theoretically the same method scientists use in a laboratory setting to extract DNA from cells.
Directions
Open the link to the document to find the experimental procedure and instructions for extracting DNA from a banana. Once completed, you will submit a photograph of your final result, along with the answers to several questions included in the file.
Follow the detailed directions below:
First, read the full instructions in the document, Isolating DNA From a Banana.docx (Links to an external site.).
Gather your supplies, most of which you may have at home already, others of which are readily available at local grocery stores or pharmacies.
Collect the DNA. Take a photograph and answer the questions in the document.
Save the document in .doc or .docx format. Name it as "Mod3-Activity-Your Initials."
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Submit the completed document by clicking the Start Assignment button above.
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Why was the scallop among the snails? (HINT: Watch "Dr. Olivera discusses major molluscan groups [Duration 04:25] (Links to an external site.)")
What additional tests could be used to examine evolutionary relationships among molluscs (snail species)? (HINT: Watch "Dr. Olivera discusses how to classify shells [Duration 03:26] (Links to an external site.)")
How was the name of different cone snail species decided? (HINT: Watch the video "Dr. Olivera discusses species names [Duration 02:02] (Links to an external site.)")
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