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Describe how each of the following would appear when grown on EMB agar: a. Escherichia coli
b. Pseudomonas aeruginos
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- For each of the following situations, describe how bacteria on these growth. media would appear on the plate: A. On MacConkey agar, a bacterium that grows on the medium but is negative for lactose fermentation B. On EMB agar, a bacterium that grows on the medium but is positive for lactose fermentation C. On mannitol salt agar, a bacterium that failed to grow on the medium D. On mannitol salt agar, a bacterium that grew on the medium and fermented mannitolHow can one distinguish E. coli from P.aeruginosa on nutrient agar? blood agar? EMB agar? What is the major difference between Thayer-Martin and chocolate agar? When would you use Thayer-Martin rather than chocolate agar?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 Agar
- You are transferring a bacterial culture from a tube of broth to a Petri dish containing trypticase soy agar. Please list the steps that are necessary to make the transfer successfully and with minimal risk. of contamination.Explain why sulfa drugs prevent bacterial growth without harming the human host.A researcher is planning to plant antibiotic-resistant Escherichia coli pure bacteria sample in antibiotic (ampicillin) solid media in his experiment. Describe each of the sterilization methods that this researcher should use while preparing this solid medium with antibiotics and in cultivation of the bacteria on the solid medium, indicating the stages at which it should be used and giving the mechanism of action.
- What are two possible reasons for choosing a bacteriostatic treatment over a bactericidal one? Name the factors that can compromise the effectiveness of a disinfecting agentAfter inoculating and incubating an agar slant from a pure broth culture of a bacterial species such as E. coli, which of the following would indicate an unsuccessful aseptic transfer? (Choose ALL that apply) a - There is fungal growth in the original broth culture tube. b- There is too much growth on the agar slant. c- There are colonies of similar morphology on the slant. d - There are red, yellow, and white colonies on the slant. e - There is no growth on the slant.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 Agar
- What is the difference between the use of Peppermint oil and Cinnamon oil in Veterinary Medicine to treat the bacterial infections Escherichia coli and Staphylococcus?Describe 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 AgarDescribe what the plate in each scenario looks like: A. Bacteria grows on mannitol salt agar and is negative for mannitol fermentation B. Bacteria grows on EMB agar and is positive for lactose fermentation C. Bacteria grows on MacConkey agar and is negative for lactose fermentation
