If a bacterial species is not susceptible to an antibacterial drug at the concentration present in a particular disk, does that necessarily mean the species is completely resistant to the drug?
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If a bacterial species is not susceptible to an antibacterial drug at the concentration present in a particular disk, does that necessarily mean the species is completely resistant to the drug? Explain your answer.
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- If a bacterial species is not susceptible to an antibacterial drug at the concentration present in a particular disk, does that necessarily mean the species is completely resistant to the drug? Explain your answer. Did you notice any colonies (isolated mounds of cells) growing within any of the zones of inhibition? If so, which plate(s) and which drug(s)? What would cause growth of colonies within a zone of inhibition? please answer both questions.If you had a liquid culture containing three different species ofbacteria, how could the use of a Petri dish confirm this fact?How the use of a Petri dish could generate pure cultures of eachbody?According to your own understanding, what do you think makes bacteria some of the most common disease-causing organisms in aquaculture? Explain comprehensively
- If you do not see single colonies on some of the plates, explain what might have happened to the bacteria?Do the different species of bacteria appear the same or different from each other when grown in media? Do you think it would be easy to identify which of these three species you had just by descriptions of growth? Explain your answerIf a bacterial species is not susceptible to an antibacterial drug at the concentration present in a particular disk, does that necessarily mean the species is completely resistant to the drug? Explain your answer. What is the mode of action of bacitracin? How does this influence the types of bacteria it can be used against effectively? What is the mode of action of tetracycline? How does this influence the types of bacteria it can be used against effectively? Describe how populations of bacteria can evolve resistance to antibiotics. In your description, use the terms/phrases: mutation, resistant, sensitive, individuals, populations, natural selection, horizontal gene transfer.
- If you were to analyze three separate colonies from the plate above, would you expect them all to be the same species of bacteria? Why or why not?Which of the following BEST describes an agent that is bacteriostatic? A) It suspends bacterial synthesis of Tranexamic Acid. B) It kills the bacteria by destroying its cell wall. C) It zaps the bacteria with static electricity. D) It suspends bacterial growth.As revealed by different colony types, would there be a different species of bacteria/microorganism that can be found in any given environment?
- As a doctor, you come across patients whose bacterial illnesses are no longer responding to tetracycline treatment. What are some of the reasons why a bacterium can become resistant to tetracycline?When the microbes were exposed to different temperatures how was it possible to see minimal growth? What had to be functional in order for growth to occur?Why would a bacteriostatic antibiotic that only INHIBITS growth of a pathogenic bacterium be useful for treating an infection? Which population should not be given bacteriostatic antibiotics?