2. Why is gram staining an important technique in microbiology?
1. What kind of information does gram staining provide?
2. Why is gram staining an important technique in microbiology?
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1. Why was it important to inoculate milk with bacteria from a single colony rather than from multiple bacterial colonies?
2. Some bacteria will only grow when they have access to specific types of nutrients. If some bacteria in the yogurt would only grow in milk, and would not grow on agar, how would this have affected your investigation? 1. Can yogurt-making bacteria be prevented from making yogurt? What evidence do you have to support your answer.
2. If you only added yogurt to the milk and found that it made yogurt (you didn't have all the other tubes), what would that show and what would that fail to show? 1. What do you expect to see in the 6 tubes of milk after incubation? Growth, no growth? Yogurtness?
2. Why add an antibiotic (ampicillin) in one of the tubes? 1. Which of Koch's postulates are tested by adding bacteria from yogurt t to milk?
2. How can the spread of bacterial diseases be prevented? 1. What characteristics do you think allow bacteria to cause diseases?
2. What could we conclude if we see more than one type of bacteria growing on an agar plate streaked with yogurt? 1. What is the purpose of this lab? What are we modeling?
2. How would you determine if a specific microbe was responsible for a disease? 1. How much sucrose is needed to make 50 ml of 1% (w/v) sucrose solution?
2. How will you follow aseptic techniques when...
1. What is in LBS agar?
2. What organisms/substances will we be lookin at? 1. Look up the bacteria found in yogurt. Tell me at least 3 names and their shapes.
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Mrs. HusselsteinBiotechnology I Warm-Up questions. Please write your answers in the Warm-Up document provided weekly on Google Classroom. Archives
December 2018
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