Q: List two methods of high level disinfection.
A: The major difference between sterilization and disinfection is that sterilization involves the…
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A: Water purification is a process of removing pollutants, microbes and other impurities from water. It…
Q: Can culture media be sterilized in the hot air sterilizer? Why or why not?
A: Hot air sterilization is a procedure in which the sterilization of the objects are done using hot…
Q: Agar is a solidifying agent used in media preparation. What is its origin?
A: Agar gel is a polysaccharide which can become liquefied at temperatures ranges from 85°C to 90°C and…
Q: Differentiate moist heat from dry sterilizing heat.
A: Dry heat sterilization:-one of the oldest techniques of sterilisation is dry heat sterilisation of…
Q: In fixed-bed leaching, how it can be leached please mention one or two only.
A: Asked : Fixed-bed leaching
Q: attern used to inoculate agar slant to get luxuriant culture. This pattern increases the surface…
A: Slant culture : A culture made on the slanting surface of a solidified medium in a test tube that…
Q: The most versatile method of sterilizing heat-sensitive liquids isa. UV radiation b. exposure to…
A: Sterilization is a process of removing or killing or deactivating mostly all forms of life present,…
Q: micro-organisms are the most resistant to heat sterilization?
A: Most of the bacteria cannot survive adverse heat condition. But somehow particular bacteria can…
Q: Why is heat an effective sterilizing agent?
A: Heat Energy : It is a form of energy which takes place by the movement of the minute particles…
Q: Why is the time of exposure and temperature required for sterilization greater for dry heat than for…
A: Any technique that removes, destroys, or deactivates all forms of life and other biological agents…
Q: What is differential medium and differential media? Explain the difference ?
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Q: If a yellow halo is present around a colony on a mannitol salt agar (MSA) plate, the bacterium…
A: Manitol Salt Agar (MSA) in used in lab, mostly for selective and differential growth of microbial…
Q: not test water samples directly for Salmonella typhosa or other pathogens
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Q: Oven sterilization of aqueous culture medium. Effect: Rationale:
A: Oven sterilization utilizes dry heat of about 160 or 170 degrees celsius for one hour or 30 minutes,…
Q: I need help with question number 49
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Q: Why is heat a highly effective sterilizing agent? (Answer in not more than 2 sentences)
A: Introduction Sterilization Refers To Any Method That Is Able To Either Removes, Kills, Or…
Q: Why should caps of glassware be loosened first before sterilization? [Answer in not more than 2…
A: Sterilization is defined as the process which removes , kills or deactivates all forms of life (in…
Q: WHAT IS THE TYPE OF Growth patterns on Agar Slant and Broth Medium
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Q: Distinguish heat sterilization and "commercial sterility".
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Q: Why does dry heat require higher temperatures for longer time periods to sterilize than moist heat
A: Sterilization may be defined as the process which help in the complete removal of all…
Q: Why must you first clean debris from items before beginning disinfection or sterilization? (
A: Until the discovery of the microbes by the famous scientist Louis Pasteur, one of the signs of the…
Q: List one method of disinfection, and one method of sterilization. Label which is which.
A: Disinfection is a process by which most of the harmful microbes are killed or inactivated. However…
Q: Why is 15 minutes generally used for sterilization? Why is agar added to medium?
A: Sterilization is the process in which all life forms like microbes (fungi, bacteria, viruses,…
Q: Which of the following is used in the sterilization of the medium? a) benmarge b) swab c) autoclave…
A: Sterilization is the process of making something (instrument, swab, room etc. ) free of microbes…
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Q: Why should you filter some liquids for sterilization, rather than autoclaving them?
A: To control microbial growth or contamination there are a number of aseptic techniques developed that…
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Q: What are several microbial targets of pasteurization?
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Q: Why is the temperature of pasteurization at 60°C?
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Q: What are the different Microbiological sterilization techniques used for Microbiology equipment and…
A: Microbiology is the branch of biology that deals with the study of microorganisms such as bacteria,…
Q: Should you sample an area for microbial growth before or after sanitization? Eplain why.
A: Sanitization is basically the instrumental process in which the microbes are usually killed by…
Q: What are the factors that influence the efficiency of chemical sterilization?
A: Chemical Sterilization is the process of removal of microorganisms by the use of chemical…
Q: List 5 other methods of sterilization and describe the principle/s and when each method is used.
A: (Please note that, you provided more than one question, I can only answer one question at a time,…
Q: What method can be used to achieve sterilization?
A: It is required to describe the method to be used to achieve sterilization.
Q: What is the physical appearance (solid, liquid, semi-solid) of following media:Agar deep tube
A: Bacterial culture media is a kind of growth media in which the required bacteria is cultured. The…
Q: What are the primary uses of the following preparations of culture media? Agar regular slant Agar…
A: Hello. Since your question has multiple sub-parts, we will solve the first three sub-parts for you.…
Q: What are the different types of Pasteurization?
A: Pasteurization is the process of heat processing the liquid (mainly milk) or food so that the…
Q: List 2 non-chemical means of disinfection.
A: Disinfection refers to the process by which most pathogenic disease-causing microorganisms, except…
Q: Are you able to identify the lag, log, stationary and death phase in using this growth curve? Are…
A: The growth curve of bacterial cells can be divided into four distinct phases known as lag, log (or…
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- Does the image above represent a pure culture? Yes O NoThe following is a Mannitol Salt Agar plate. What does the yellow color on the right side of this plate indicate? TAW ASM's MicrobeLibrary Ⓒ Reynolds tolerance of the salt mannitol metabolism tolerance of the dyes and chemicals in the agar lactose metabolismWhich of the following the equipment is used to sterilize the nutrient broth and agar? O Bunsen burner O refrigerator O incubator autoclave Ở microwave
- Nutrient agar plates are inoculated alongside the Mannitol Salt or EMB agar plates because nutrient agar: is not selective is not differential does not contain mannitol or lactose does not contain phenol red OBACTERICIDE LAMPS OF A CLOSED TYPE SHOULD BE INSTALLED IN 1. premises for pharmacy visitors 2. distillation room, sterilization room 3. washing 4. aseptic room MD DOIUED ODD NT VDD (II IAII IRL DED_____ kills pathogens and some spoilage organisms but does not sterilize substances. _____ kills pathogens and some spoilage organisms but does not sterilize substances. Tyndallization Autoclaving Pasteurization Boiling
- What are the primary uses of the following preparations of culture media? Agar regular slant Agar special slant Agar deep Broth Agar plateWhy should caps of glassware be loosened first before sterilization? [Answer in not more than 2 sentences]Compare the relative abundance of microbial growth on the agar surface touched by unwashed and washed fingers. Note: the upper portion are washed fingers whereas, the lower portion are unwashed fingers