Suppose you received two cultures from a reactor biological: one containing a species of Gram negative bacteria and the other, a species of Archaea. Discuss four different ways to distinguish these cultures, without considering ribosomal RNA sequencing.
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1. Suppose you received two cultures from a reactor
biological: one containing a species of Gram negative bacteria and the other, a
species of Archaea. Discuss four different ways to distinguish these
cultures, without considering ribosomal RNA sequencing.
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Solved in 2 steps
- 1. Why do you think the 5% sheep blood agar was selected for the culture of mouth bacteria?1. Why are there so many antibiotic-producing organisms in soils?6. Which of the following is the most important structure related to microbial attachment? a)Flagellum b) Plasmid c) Peptidoglycan d) Glycocalix
- 2. Describe the experiments done by Griffith that showed that material from dead bacteria could be transferred to living bacteria and alter those bacteria. Make sure you also include his conclusions.1. why is there a need to incubate cultures at room temperature? How can this affect microbes? 2. Explain why an inverted image is seen under a compound microscope.1. How is UV radiation a good type of control mechanism against microbial growth? Please explain what happens to the microbe and effects this control causes. 2. Suppose you do the Kirby-Bauer test on a hypothetical Staphylococcus species with penicillin and tetracycline. You record diameters of 20mm for tetracycline and 24mm for penicillin. Which antibiotic is most effective against this bacterium and why? Please explain and interpret these results. 3. Please provide the scientific name of your microbe that was used in the UV experiment (i.e. S. aureus). Compare your plates and interpret/analyze your results. Please discuss your findings and any patterns you were able to gather. 4. After performing the “Effects of Antiseptics & Disinfectants” lab which agent(s) showed potential to control S. marcescens growth? P. aeruginosa? Please explain why you believe these agent(s) work. 5. What purpose does water serve in the “Effects of Antiseptics & Disinfectants” lab? What did you…
- I dont understand this practice Biology Question. In order to categorize bacteria, scientists use various characteristics to classify them into groups. Without naming these groups, explain characteristics and tests used by microbiologists to assign bacteria to different taxonomic groups.1. What attributes would a microbe need (physical or biochemical) to be able to: a. Travel from Africa to North America and remain viable? b. Flourish in the new environment if it was pathogenic for man?c. Flourish in the new environment if it was pathogenic for plants?d. Flourish in the new environment if it was a soil organism?1. In Microbiology, are there technologies that can help make bacterial culture and sensitivity done faster?
- 1. How is UV radiation a good type of control mechanism against microbial growth? Please explain what happens to the microbe and effects this control causes. 2. Suppose you do the Kirby-Bauer test on a hypothetical Staphylococcus species with penicillin and tetracycline. You record diameters of 20mm for tetracycline and 24mm for penicillin. Which antibiotic is most effective against this bacterium and why? Please explain and interpret these results.1. What is the importance of using freshly prepared KOH in testing the bacteria? Explain this comprehensively and please, do not just copy from somewhere.1. What is the importance of using a test/control organism in describing the cultural characteristics of an unknown bacterium? Explain your answer comprehensively and please, do not just copy from somewhere,