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- https://bio.libretexts.org/Courses/Ohio_State_University/Microbiology_Lab_SP25/05%3A_Lab_5/5.05%3A_Bacterial_Oxygen_RequirementsA palladium catalyst in the chamber or bag catalyzes the formation of water from hydrogen and oxygen, thereby removing the O 2 . To insure anaerobic conditions are effectively produced in the GasPak j...A palladium catalyst in the chamber or bag catalyzes the formation of water from hydrogen and oxygen, thereby removing the O 2 . To insure anaerobic conditions are effectively produced in the GasPak jar or bag, a strip of paper soaked in methylene blue dye is included in the jar or bag.
- https://bio.libretexts.org/Courses/Ohio_State_University/Microbiology_Lab_SP25/07%3A_Lab_7/7.02%3A_Envronmental_Effects_on_Growth_-_UV_Radiation_and_TemperatureContributors and Attributions Gary Kaiser (COMMUNITY COLLEGE OF BALTIMORE COUNTY, CATONSVILLE CAMPUS)
- https://bio.libretexts.org/Courses/Ohio_State_University/Microbiology_Lab_SP25/03%3A_Lab_3/3.05%3A_Unknown_Bacteria_Identification_Project_ReportEnd the introduction with a paragraph that describes the basic premise and approach of this project and how this approach either resulted in the successful identification of both unknown bacteria, one...End the introduction with a paragraph that describes the basic premise and approach of this project and how this approach either resulted in the successful identification of both unknown bacteria, one identification was successful and the other unsuccessful, or that both were not correctly identified. In the example text above, the description would be further supported with images of the initial Gram stain, the Gram stain of Unknown Bacteria A, and the Gram stain of Unknown Bacteria B.
- https://bio.libretexts.org/Courses/Ohio_State_University/Microbiology_Lab_SP25/07%3A_Lab_7/7.02%3A_Envronmental_Effects_on_Growth_-_UV_Radiation_and_Temperature/7.2.06%3A_Procedure_and_Results/7.2.6.02%3A_Results_for_Osmotic_PressureObserve the 2 sets of plates from the osmotic pressure experiment and record the results below. Plate Escherichia coli + = Scant growth ++ = Moderate growth +++ = Abundant growth - = No growth Escheri...Observe the 2 sets of plates from the osmotic pressure experiment and record the results below. Plate Escherichia coli + = Scant growth ++ = Moderate growth +++ = Abundant growth - = No growth Escherichia coli and Staphylococcus aureus Aspergillus niger Control 5% NaCl 10% NaCl 15% NaCl 5% glucose 10% glucose 25% glucose Conclusions: Contributors and Attributions Gary Kaiser (COMMUNITY COLLEGE OF BALTIMORE COUNTY, CATONSVILLE CAMPUS)
- https://bio.libretexts.org/Courses/Ohio_State_University/Microbiology_Lab_SP25/04%3A_Lab_4/4.05%3A_MR-VP_TestsFigure 5: Results of the Voges-Proskauer test. (Left) When the color at the top of the tube is yellow, this is a negative Voges-Proskauer test indicating that the bacterial species tested does not fer...Figure 5: Results of the Voges-Proskauer test. (Left) When the color at the top of the tube is yellow, this is a negative Voges-Proskauer test indicating that the bacterial species tested does not ferment glucose using the butanediol fermentation pathway. (Right) When the color at the top of the tube is a red-brown color, this is a positive Voges-Proskauer test indicating that the bacterial species tested ferments glucose using the butanediol fermentation pathway.
- https://bio.libretexts.org/Courses/Ohio_State_University/Microbiology_Lab_SP25/07%3A_Lab_7/7.02%3A_Envronmental_Effects_on_Growth_-_UV_Radiation_and_Temperature/7.2.06%3A_Procedure_and_ResultsVideo Reviews of Techniques Aseptic Technique Tips Aseptic Technique: Inoculation of broth tubes, slant tubes, and stab tubes Contributors and Attributions Gary Kaiser (COMMUNITY COLLEGE OF BALTIMORE ...Video Reviews of Techniques Aseptic Technique Tips Aseptic Technique: Inoculation of broth tubes, slant tubes, and stab tubes Contributors and Attributions Gary Kaiser (COMMUNITY COLLEGE OF BALTIMORE COUNTY, CATONSVILLE CAMPUS)
- https://bio.libretexts.org/Courses/Ohio_State_University/Microbiology_Lab_SP25/11%3A_Lab_11
- https://bio.libretexts.org/Courses/Ohio_State_University/Microbiology_Lab_SP25/09%3A_Lab_9/9.02%3A_Control_of_Microbial_GrowthFailure to practice aseptic technique during many types of clinical procedures may introduce microbes to the patient’s body and put the patient at risk for sepsis, a systemic inflammatory response to ...Failure to practice aseptic technique during many types of clinical procedures may introduce microbes to the patient’s body and put the patient at risk for sepsis, a systemic inflammatory response to an infection that results in high fever, increased heart and respiratory rates, shock, and, possibly, death.
- https://bio.libretexts.org/Courses/Ohio_State_University/Microbiology_Lab_SP25/03%3A_Lab_3/3.02%3A_Bacterial_Colony_MorphologyBacteria grow on solid media as colonies. A colony is defined as a visible mass of microorganisms all originating from a single mother cell, therefore a colony constitutes a clone of bacteria all gene...Bacteria grow on solid media as colonies. A colony is defined as a visible mass of microorganisms all originating from a single mother cell, therefore a colony constitutes a clone of bacteria all genetically alike.
- https://bio.libretexts.org/Courses/Ohio_State_University/Microbiology_Lab_SP25/06%3A_Lab_6/6.03%3A_Environmental_Effects_on_Growth-_Osmotic_Pressure/6.3.03%3A_Pre-lab_QuestionsWhat is the primary effect of osmotic pressure on a cell? Look up the salinity and pH of seawater. What challenges would you have, and what would you do to overcome them, with culturing marine bacteri...What is the primary effect of osmotic pressure on a cell? Look up the salinity and pH of seawater. What challenges would you have, and what would you do to overcome them, with culturing marine bacteria in the lab? Contributors and Attributions Kelly C. Burke (College of the Canyons)
- https://bio.libretexts.org/Courses/Ohio_State_University/Microbiology_Lab_SP25/06%3A_Lab_6/6.03%3A_Environmental_Effects_on_Growth-_Osmotic_Pressure/6.3.01%3A_Learning_ObjectivesAnalyze scenarios with regard to net water movement in and out of a cell and discuss the effect of osmotic pressure on microorganisms. Gather the family/friends/roommates around and try this at home: ...Analyze scenarios with regard to net water movement in and out of a cell and discuss the effect of osmotic pressure on microorganisms. Gather the family/friends/roommates around and try this at home: Place a piece of lettuce in a bowl of super salty water. Let is sit for a half hour or so. Next, place the same piece of lettuce in a bowl of plain tap water. Let it sit again—this may take a bit longer. Try to explain what happened, or (should you be out of lettuce) what you think would happen.
