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Do all microorganisms present in milk develop on the tryptone glucose yeast extract agar (TYGA)? Explain your answer.
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- Describe characteristics of Proteus Vulgaris in the Agar: (How does colonies look like (color) and explain does it grow on that agar. Blood Agar (Aerobic) MacConkey EMB PEA Mannitol Salt Agar Chocolate Agar Nutrient AgarDescribe characteristics of Streptococcus Agalactiae in the Agar: (How does colonies look like (color) and explain does it grow on that agar. (Don't have to write the incubation period) ~ Only describe how would it look like on the Agar: Blood Agar (Aerobic) MacConkey EMB PEA Mannitol Salt Agar Chocolate Agar Nutrient AgarThe reason why it is critical to cease Tempeh fermentation prior to the sporulation of molds is unclear.
- 1) would you describe the contents of the soil-inoculated broth as being a “pure culture”? Why or why not? 2) How did the uninoculated broth differ in appearance from the broths inoculated with E. Coli and M. Luteus? And then how could you tell if a supposedly sterile, uninoculated broth was contaminated? Please explain in detail and highlight the important parts cuz I am confused and need help! ThanksCould you explain the difference ( and possibly show the difference) between a growth on Agar slants and Growth in broths? Next, could you describe what E. Coli, M. Luteus, and an uninoculated growth should look like on both agar slants and broths? Much thanks! I am a bit confusedDescribe the appearance of an S. agalactiae colony grown on blood agar. Describe how that colony would differ in appearance from a colony of S. pyogenes.
- Describe characteristics of Streptococcus Agalactiae in the Agar: (How does colonies look like (color) and explain does it grow on that agar. Blood Agar (Aerobic) MacConkey EMB PEA Mannitol Salt Agar Chocolate Agar Nutient AgarDescribe how a Triple Sugar Iron agar tube would appear if the following situation was true. Please note that all items in the following list are occurring in the same tube of agar. 1. Positive for glucose fermentation 2. Negative for lactose and sucrose fermentation 3. Positive for H2S production 4. Negative for gas productionSigns and symptoms from this organism are as follows: Intense itching and a localized rash that may appear pimple-like O Bordetella pertussis O Streptococcus agalactiae O Streptococcus mutans O Sarcoptes scabiei Question 39 This organism produces dextrần which helps the pathogen form a biofilm and dent.
- Staphylococcus aureus is non-motile, a facultative anaerobe, and a mesophile. At 37⁰C in abundant glucose, which incubation environment is more likely to produce the highest cell mass of S. aureus within two hours? Flask with aeration to add oxygen to the broth and shaking Flask left on the lab bench Flask grown in an anaerobic chamber that removes oxygen from the air around the flask Flask without aeration All will be equalAnswer the following questions briefly and concisely 1.How do bacteria in a chemostat and those in a batch culture vary from one another? 2. What happens in a chemostat if the dilution rate is higher than the organism's maximum specific growth rate? 3.Does a chemostat require the use of pure cultures? 4. Why would a complicated culture media for Leuconostoc mesenteroides be simpler to make than one with a fixed chemical composition?Which lactose (+), Gram negative, short rod forms a pink to brick red colony on MacConkey's agar and a metallic green sheen on Levine's EMB agar? Group of answer choices Serrate marcescens E. coli Proteus vulgaris Salmonella enteriditis Enterobacter aerogenes