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- Vibrio cholerae can be cultured on Thiosulfate-Citrate-Bile salts-Sucrose agar (TCBS). Enterobacteriaceae and gram-positive bacteria are inhibited on this agar. cholerae produces large yellow colonies while other Vibrio species produce blue, green, or blue-green colonies. Discuss the purpose of each media listed. Based on this information alone, what term(s) would best describe this agar? Selective Enrichment (enriched) Differential Reducing Selective and enriched Selective and differential Selective, differential, and enrichedIs the Mueller-Hinton Agar (MHA) a complex or defined medium? Explain based on its composition. Is MHA a A) differential, B) selective, C) both differential and selective media, or D) neither? Explain based on what kind of microorganisms it allows to grow.GROWTH OF FUSOBACTERIUM ON KANAMYCIN/VANCOMYCIN AGAR (KV) CAN BE DESCRIBED AS a) pigmented b) black c) hemolytic d) inhibited (no growth)
- Which of the following is an important measure that may prevent bacterial contamination in tube feeding formulas? Question 71 options: a) Discarding opened containers of formula not used within 24 hours b) Adding formula to the feeding container before it empties completely c) Using the same feeding bag and tubing each day d) Adding the full days worth of formula to the bag at the start of each day1. The Petri Dish method is used in microbiology to raise bacteria in: a) rapid growth b) pure culture c) septic environment d) all of the above 2. What is the difference between antiseptic and sanitization? 3. In order to prevent any kind of contamination the medium must be _________ before placing it in the Petri dish. a) lyophilized b) pasteurized c) autoclaved d) distilledThe Petri Dish method is used in microbiology to raise bacteria in: a) rapid growth b) pure culture c) septic environment d) all of the above 2. What is the difference between antiseptic and sanitization?3. In order to prevent any kind of contamination the medium must be _________ before placing it in the Petri dish. a) lyophilized b) pasteurized c) autoclaved d) distille
- Listen Which of the following methods of microbial control is used most often with surgical equipment? a) autoclave b) sugar and salting c) dessication d) lyophilizationwhy is it important that a small amount of inoculum be used in preparation of an agar slant?Clostridium spp palys vital role in meat spoilage. a) Describe possible conditions of spoilage cause by this bacterium b) suggest factors that can contribute to spoilage condition stated in (a). c) suggest possible process that can be done to avoid the growth of this bacteria
- Savlon Extra” disinfectant is known to exhibit good antimicrobial activity against Shigella dysenteriae. At 20oC a concentration of 5% v/v kills 2.0 x106 Sh. dysenteriae cells in 15 minutes. At 25oC the organisms were killed in 5 minutes. a) Calculate the temperature coefficient of Savlon Extra b). How long will it take the same concentration to kill the same number of Sh. dysenteriae cells at 30oC?If a experiment took place with culture of Ecoli What happens to the ampicillin flask when added to the e coli? b) How can this effect be explained 11.a) What happens in the flask with chloramphenicol? b) How can this effect be explained 12.a) What happens in the flask with streptomycin? b) How can this effect be explainedA microbe is only capable of growth at pH range of 8.5-10 in the presence of atmospheric levels of oxygen. Which statements are correct? Mark all that apply. A.)The microbe is likely to be a human pathogen B.)The microbe is a mesophile C.)The microbe is an obligate aerobe D.) The microbe is an alkiliphile