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A research assignment and rubric for a research project on bacteria. Both beneficial and pathogenic species are included.
Biology I Bacteria Project For this project, you are to choose a disease, research it, and then either write a 2-3 page paper or a Powerpoint that you must present to the class. Both are worth the same. Species Benefit or Disease Lactobacillus acidophilus Cheese and yogurt product, intestinal bacteria Lactococcus lactis Cheese and buttermilk production Cyanobacteria Photosynthetic Rhizobia Convert nitrogen gas into usable nitrogen for plants Bifidobacterium Normal intestinal bacteria Clostridium difficile Gastrointestinal disease Bacillus anthracis Anthrax Streptococcus pneumoniae Pneumonia Staphylococcus aureus Skin infections, acne, pink eye. Campylobacter jejuni Food poisoning Salmonella typhimurium Food poisoning Escherichia coli O157:H7 Food poisoning Group A Streptococcus Strep throat Staphylococcus epidermidis Body odor Streptococcus mutans Cavities Clostridium tetani Tetanus (lockjaw) Streptococcus pyrogenes Necrotizing fasciitis (flesh-eating disease) Bacterial Research Grading Rubric You will be graded on the following: Points Possible 1. Cover Page / Slide - Your Name 5 - The disease you’re presenting - The name of this class and period 2. Know Your Bacteria - What is the scientific name of the bacteria? Make sure the scientific name is in the proper format ( i.e. Homo sapiens ) - What shape is the bacteria? (show a picture) - Does the bacteria live in clusters (staph), long chains (strep) or neither? - Is the bacteria an obligate aerobe, facultative anaerobe, or obligate anaerobe? Explain what this means. 25 - Describe the anatomy of the bacteria. Does it have any specialized structures such as a capsule, flagella or pili? If so, explain the purpose of the structure. - Does the bacteria have a parasitic, commensalistic, or mutualistic relationship with other organisms? 3. Disease (Complete this section if you have a pathogenic bacterium) - Describe how the disease spreads (contact, airborne, etc) - How could someone protect themselves from this disease? Are there any effective methods of prevention? The Attack - List all of the major symptoms associated with the disease. Include pictures when appropriate. - For each symptom, explain how exactly the bacteria causes that symptom. - Example: If your bacteria causes diarrhea, explain why. What exactly happens 50 in the small intestine to cause this effect? Example 2: If the bacteria causes a fever, explain why the body increases its temperature in this way. - Does the bacteria produce a toxin or waste product that causes or intensifies some of the symptoms? Recovery - If someone were to get the disease, how would they be treated? - Have the bacteria that cause this disease developed any kind of antibiotic resistance? Which antibiotics are they resistant to? 4. Benefits - Explain the specific beneficial effects this bacteria has on humans or other organisms. - How exactly does this beneficial process work? Example: If the bacteria is able to ferment milk into cheese or yogurt, explain how this happens. What does the bacteria do exactly, and how does it affect the milk? 50 - If there are different forms of the product (different types of cheese for example), explain how these varieties are made. 5. Bibliography - List all sources of your information at the end. Must be properly formatted! Use 10 www.easybib.com if you don’t know how to format. 6. Speaking / Formatting - Present to the class, speak clearly and make sure everyone is able to complete the 10 worksheet. Total Points Possible 100
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