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How does anaerobic glucose catabolism differ in Lactobacillus
and Pyrococcus furiosus?
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- Can lactic acid culture infect the human gastrointestinal tract? If yes, why is this method not used to treat lactose-intolerant individuals?Can you thoroughly explain the effect of Glucose concentration on the growth of Bifidobacterium, an anaerobic, gram positive, non-acid-fast, nonsporeforming and nonmotile bacteria?What is the mechanism by which enterococci are able to grow in high salt conditions?
- What role does iron play in the redox metabolism of Thiobacillus ferrooxidans?Ex. 30 = Differential Utilization of Citrate by the Enteric Bacteria (p. 263) How is citrate used in bacterial metabolism? How do we test if it is used? What is the role of bromothymol blue in this media? What does a positive/negative result look like? What does this tell us about the bacterial metabolism? What are enteric bacteria? Ex. 31 = Acid and Gas Production from Sugar Fermentation (p. 269) What is fermentation? How can we observe it? What is respiration? What is a pH indicator and how does it work? How do we evaluate growth, acid production, and gas production? What are homolactic acid bacteria? What are heterolactic acid bacteria?If the result of an unknown bacteria is “poor growth” and “red growth,” can this result be interpreted as “organism does not ferment mannitol?” Explain why or why not. If the result of an unknown bacteria is “good growth” and “yellow growth,” is the unknown bacteria more likely Staphylococcus aureus or Staphylococcus epidermidis?
- for acrolein taint to occur glycerol is metabolized in the presents of _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 1) catechin 2) epicatechin 3) anthocyanins 4) ferulic acid 5) m caftaric acid by Lactobacillus buchneri.What is morganella morganii bacteria : 1) Gram stain; (2) Shape; (3) Arrangement; (4) Fermentation on lactose; (5) Fermentation on glucose; (6) Fermentation on sucrose; (7) Fermentation on mannitol; (8) EMB; (9) MSA; (10) Growth on MAC; (11) PEA; (12) Citrate utilization; (13) Catalase; (14) Gas production; (15) AerotoleranceWhat is demulcent? Why should we never make mucilage in large quantities?