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What microbial control method would you use to clean a papercut? Why did you make that choice? Explain your reasoning .
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- Microorganism growth in complex natural environments such as soils and waters can be utilized to carry out environmental management processes. Give one term for the process you would use to cleanse a marine oil spill and discuss at least 3 types thereof. Outline factors that would facilitate the success of the process you mentioned on 1. Discuss the use of indicator organisms in testing the quality of drinking water.Is the mannitol salt agar (MSA) a complex or defined medium? Explain based on Composition. What kind of media based on what kind of microorganisms it allows to growSuppose you are checking the microbial quality of a raw material using agar culture media. After doing the culture, you found the growth of unwanted microbes. What will you do next? Your answer
- Outline the different physical and chemical methods of sterilization. Briefly describe how each method control microbial growthGive a brief but critical discussion about microbial growth in natural environments and how it differs from the laboratory culturing of micro-organisms.Which of the following is NOT a physical method of microbial control? Freezing. Autoclave. flaming a loop. or ethylene oxide gas
- What statement correctly explains why moist-heat is more effective than dry-heat for sterilization purposes? The microbe's molecules are resistant to alteration in the absence of water. Dry heat will always be a lower temperature than moist heat. Dry heat dehydrates the microbes, and dehydration is a method of preserving microbes. Water is a good conductor of heat.As an aspiring Nurse, the need for the culture of a new pathogenic microorganism in the laboratory has been allocated to you. Applying all the guidelines involved in the successful isolation and cultivation of microbes, discuss the culturing system that is most appropriate for this activity and state your reason(s) for this choiceIs nutrient agar (NA) a complex or defined medium? Explained based on its composition. Is NA a differential, selective, neither differential nor selective media? Explaining based on what kind of Organism it allows to grow?
- MacConkey agar inhibits the growth of Gram-positive bacteria while encouraging the growth of Gram-negative bacteria. It also can determine if some bacteria use lactose. Define what type(s) of media MacConkey agar is, using as many terms in the answer list as are applicable.Agar is a solidifying agent used in media preparation. What makes it ideal for cultivation of microbes?If you suspect that your microbial culture growing in nutrient broth is contaminated, what can you do to confirm this?