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- What are the advantages and disadvantages of plate count technique over other methods of quantifying microbial populations?What is one situation where Koch’s postulates are impossible to complete? In other words, what factors about a microbe or factors about a disease make it impossible for Koch's postulate to be performed with that microbe or disease?What is the correct way to write this microbe’s name: bacillus subtilis, Bacillus subtilis, Bacillus Subtilis, or Bacillus subtilis? Identify the genus name and the species epithet.
- https://courses.lumenlearning.com/microbiology/chapter/controlling-microbial-growth/ Read this Article about Controlling Microbial Growth and answer the following questions: Which is most effective at removing microbes from a product: sanitization, degerming, or sterilization? Explain. What are two possible reasons for choosing a bacteriostatic treatment over a bactericidal one? Name at least two factors that can compromise the effectiveness of a disinfecting agent.The isolation of Salmonella Typhimurium and S.Typhi require different protocols: A) In what aspects do these protocols differ? B) why do these protocols differ? C) How will you be able to distinguish between these organisms on XLD and Hektoen Agar?review the case scenario uploaded in the photo. in your own words: a) write a hypothesis for identifying this unknown bacteria, the suspected bacteria are e coli, pseudomonas aeruginosa, and staphylocoous aureus. b) the best option to identify is gram staining, explain in your own words the steps taken to gram stain
- https://courses.lumenlearning.com/microbiology/chapter/controlling-microbial-growth/ Read this Article about Controlling Microbial Growth and answer the following questions: What are some characteristics of microbes and infectious agents that would require handling in a BSL-3 laboratory? What is the purpose of degerming? Does it completely eliminate microbes? What are some factors that alter the effectiveness of a disinfectant?Note that it is not appropriate to self-diagnose outside of a medical context and this is a completely hypothetical scenario. Imagine you have a rash on your foot. You're concerned that it's an infection and inoculate a sample onto an agar plate. You wonder, How can I figure out whether the pathogen is a bacterium vs a eukaryote? You decide to use lab supplies to get a basic understanding of the pathogen. Be specific about what tests you use and what you expect the results to be. Limit yourself to experiments we could do in our lab. What is one experiment you could do, involving culturing the organism?Note that it is not appropriate to self-diagnose outside of a medical context and this is a completely hypothetical scenario. Imagine you have a rash on your foot. You're concerned that it's an infection and inoculate a sample onto an agar plate. You wonder, How can I figure out whether the pathogen is a bacterium vs a eukaryote? You decide to use lab supplies to get a basic understanding of the pathogen. Be specific about what tests you use and what you expect the results to be. Limit yourself to experiments we could do in our lab. What is a procedure you could do, involving making a slide of the organism?
- Is it acceptable to give a formal name to a microbe that hasn't been isolated and cultivated? What type of name should a microorganism have if it has been well identified but cannot yet be cultured in isolation?What is the advantage of using Molecular data compared to plated culture or biochemical techniques in identifying bacterial species, especially for oral microbes ?Answer the following questions: 1. What was the first antibiotic and what was its importance? 2. What does resistance mean? 3. Who is affected by resistance? 4. What if the resistance problem is not solved? 5. Describe the structure of the bacterium (its parts) 6. Can bacteria change? explain 7. Why do Bacteria communicate, what is the purpose? 8. Explain how a bacterium achieves its resistance. 9. What is the use given to antibiotics in production animals? 10. Is this use in animals good practice? 11. Once resistance occurs, what has the scientific community had to do? 12. Do antibiotics only affect negative bacteria? explain. 13. What are the most feared diseases due to antibiotic resistance? 14. Should antibiotics be used against viruses? explain. 15. How can we avoid antibiotic resistance?