The following is a Mannitol Salt Agar plate. What does the yellow color on the right side of this plate indicate? www. TAN ASM's MicrobeLibrary Ⓒ Reynolds tolerance of the salt mannitol metabolism tolerance of the dyes and chemicals in the agar Olactose metabolism
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- how do microorganisms such as bacteria eliminate harmful reactive oxygen species? Nitrate reduction to nitrite is indicated by the formation of a pink to red colour after addition of nitrate test reagent. However, if a culture does not produce a colour change several posibilies exist. Explain.All of the following agars are selective and/or differential, Except: Group of answer choices Mannitol salt agar MacConkey agar Eosin methylene blue agar phenylethyl alcohol agar Nutrient agarThe principle and What type pf Media of the following Conkey Agar vii) MacConkey Broth viii) TSA Base for Blood and chocolate Agar ix) Mannitol Salt Agar x) Tryptic Soy Agar xi) Alkaline peptone water What is the principle of Growth Medium and Culture medium?
- What nutrients do the following media components contain? Peptone Yeast extract Beef extract Potato infusion Agar Why should agar media be completely dissolved before they are dispensed in tubes and plates? What are the bases for pegging the temperature at 1210C for 15-30 minutes during moist heat sterilization and 1800C for two (2) hours using dry heat sterilization? 1.Can you sterilize culture media using dry heat sterilization? Why is that so? You will notice in the videos shown, the cotton plug is not used. What is role of cotton plug in media prep, sterilization and culture of microorganisms? Instead of using cotton plug, plastic screw-cap is used, can you substitute this for the former? Is it technically acceptable in microbiology?Please include sourceYou want to prepare 500 mL of the macronutrient and micronutrient stock solutions which have 100X and 1000X higher concentration, respectively, than the required concentration in the culture mediuma)Approximately 4 % (w/v) sucrose and 0.8 % (w/v) agar are added into the medium.Determine the amount of sucrose and agar (in gram) required in order to prepare 200 mL MS medium. Show your workWhich of the following media are selective, differential, and test for lactose fermenters? What is selected for? Against?: MUG broth, EMB plates, Endo plates, MacConkey plates, M-TEC plates, mENTERO plates, mENDO plates.
- do methodologies preparation of the following 6 solutions (Broth LB, LB Agar, Potato-Dextrose Agar, LB-Dextrose Broth, Saline solution 0.85%, Glycerol 80%). Include photos or schematics.What is the clinical significance of ESR determination? Differentiate Wintrobe from Westergreen regarding accuracy of the test in a tabulated order. NOTE: Kindly asnwer all the questions. Thank you!Does the current study’s results regarding compositional differences using pasteurized veruses. non-pasteurized milk make sense with previous work? please i need the answer from the article
- Design a serial dilution of a 25-gram cheese sample to achieve a final dilution of 10-5 using 90 ml blanks. Show how you would plate out 10-2 through to 10-6Provide the conditions (e.g., intrinsic properties, storage conditions, etc.) that will make the recovery of the following microorganisms in commercially sterile foods acceptable: a) Obligate thermophilic sporeforming bacteria b) Acid-tolerant microorganisms c) Mesophilic or thermophilic sporeformersIf the inoculated lactose broth cube exhibits acid production but without gas formation, will you consider this as a negative or positive result? Explain Why is the MPN test qualitative rather than quantitative? Why is the MPN test qualitative rather than quantitative? Why is MPN test qualitative rather than quantitative