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- Explain the reasons why cream cheese is a high risk food for the elderly and pregnant women. The cheese would be easily spoiled if you found the condensed water on the inner side of the cover lid of the container, and also if you put it at room temperature for more than two hours. Explain in term of the factors of microbes growth. Explain it detailed.Briefly explain this statement "Cereal dilution technique of microorganism in food" - Please answer at your own words.Explain the reasons why the Chinese Turnip cake would be easily spoiled if you found the condensed water on the inner side of the cover lid of the container, even though you put the cake in the refrigerator. Explain in term of the factors of microbes growth. Explain it detailed
- Explain the reasons why the Poon Choi is the high risk food for the elderly? It would be easily spoiled if you found the condensed water on the inner side of the cover lid of the container, and also if you put it at room temperature for more than two hours. Explain in term of the factors of microbes growth. Explain it in detailed.Jams, jellies, preserves, honey, and other foodstuffs with a high sugar content hardly ever become contaminated by bacteria, even when the food containers are left open at room temperature. Why is this?A student inoculates Escherichia coli into two test tubes containing the same sterile liquid medium, except the first tube also contains a drop of a chemical disinfectant with an antimicrobial effect. After 24 hours of incubation, the first tube remains clear while the second tube becomes cloudy with bacteria. How would you go about determining if the chemical is bacteriostatic or bactericidal?
- Surgical instruments are cleaned by heating them. Alcohol is used as disinfectant in cleansing the skin before inoculation. Why are these methods successful in killing harmful microorganisms ? Explain the answer using the concepts of protein inside the microorganisms cell wall etcMicroorganisms are often grouped according to their optimum growth temperatures. Which groups are most likely to spoil refrigerated foods?If the temperature of the incubator were to be increased from 35 to 45°C, how would this affect the bacterial growth curve of E. coli? (optimum temperature 20o-40oC; most human pathogens)
- McConkey agar plate is used to determine which carbohydrates a bacteria can ferment if the bacteria can produce gelatinase if the organism can produce catalase which antibiotics a bacteria is susceptible to the type of hemolysis a bacteria is capable of producingBased on the following image, which concentration of antibiotic would be considered the minimum bactericidal concentration (MBC)? a. 8 ug/mlb. 16 ug/mlc. 25 ug/mlCould you spread plate in the usual Petri dish a 10mL inoculum? Why or why not?