Q: What advantages do solid media offer for the isolation ofmicroorganisms?
A: Micro-organism are those that cannot be seen by the naked eye, but are visible under microscopes.…
Q: Agar is a solidifying agent used in media preparation. What makes it ideal for cultivation of…
A: Agar is a natural polysaccharide. It is mostly used in the lab and acts as a solidified agent. It…
Q: Why is ionizing radiation more effective than UV radiation forsterilization of food products?
A: Ionizing radiations are the radiations that are released by the atoms that travels in the form of…
Q: Which of the following would be best for sterilizing a pre-sealed case of plastic medical supplies?
A: Answer - Autoclave
Q: methods of sterilization
A: Sterilizationis the statistically complete destruction of all microorganisms including the most…
Q: Which of the following is false?a) A high-level disinfectant cannot be used as a sterilant.b)…
A: According to the risk for transmitting microbial infections, the medical instruments are classified…
Q: Define sterilization.
A: Microbial control indicates the prevention or inhibition of microbial growth. It involves physical…
Q: What is the importance of agar plates and bacteria cultures in food microbiology?
A: There are different culturing techniques such as agar plates, broth culture, stab culture and solid…
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: What a scrubber in the exhaust of chemical industrial plant removes?
A: Pollution is the introduction of contaminants into the natural environment that cause adverse…
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: Identify applications for ethylene oxide sterilization.
A: KEY WORDS :- Ethylene oxide - It is a gas which is flammable in nature and colorless which is used…
Q: What temperature is considered adequate for achieving sterilization of a compost pile?
A: temperature considered for achieving sterilization of a compost pile is 135-160 F. At a…
Q: why do microorganisms differ in their response to disinfectants
A: Microorganisms are the minute microscopic organism that is generally invisible to the human eye.…
Q: What are the advantages of UV disinfection versus, or as acomplement to, chemical disinfection with…
A: UV disinfection treatment is a very rapid physical process for disinfecting or sterilizing any…
Q: How alcohol is effective at contolling microbial growth?
A: Sterilization: Sterilization includes the complete wipeout of all microscopic life on a surface.…
Q: Describe and give the principle of each equipment used for sterilization in microbiology.
A: Sterilization is the method of removal, killing or inhibition of all forms of lives, spores or…
Q: give one reason why is it necessary to keep stirring the agar medium mixture in a beaker when…
A: Agar is a heteropolysaccharide, which is composed of different carbohydrate units. Agar is obtained…
Q: What main advantage do microbial plastics have over syntheticplastics?
A: Plastics are organic materials. It is derived from the Greek word “plastikos”.
Q: What settings and time are normally used for sterilization in an autoclave?
A: The fundamental rule of steam sterilisation as cultivated in an autoclave, is to open every thing to…
Q: What is an alternative to autoclaving for sterilizing heat-sensitive materials?
A: Any process that kills, eliminates, deactivates, or removes all forms of microorganisms and…
Q: Why must water be subjected to microbiological analysis?
A: Water is used for various purposes in daily lifestyle including food. Thus, it should be monitored…
Q: Distinguish heat sterilization and "commercial sterility".
A: lowering the prevalence of harmful bacteria until they are no longer a health threat. usually…
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: Can culture media be sterilized in the hot air oven? why or why not?
A: Sterilization is the process of deactivating, killing, or removing any kind of microorganism (or…
Q: Differentiate therapeutic sterilization from direct sterilization What are some of the…
A: Sterilization is a medical procedure where the reproductive ability of an individual is taken off.…
Q: How can moist heat sterilization can sterilize antibiotic solution?
A: Moist heat sterilization is a technique that uses heated, increased pressure steam to sterilize an…
Q: How does an autoclave sterilize instruments? What is used to dry glassware and at the same time
A: Autoclaving is the best method for sterilizing glass instruments. Sterilizing means removal of all…
Q: How is household antibacterial soap like a weapon against pathogenic bacteria?
A: Antibacterial soaps are those that contains certain chemicals that inhibit the growth of pathogens .
Q: Why is the temperature of pasteurization at 60°C?
A: Pasteurization was invented by a French Scientist called Louis Pasteur. It was first used in 1864.…
Q: What is the difference between assimilatory nitrate reduction and denitrification? Which reaction is…
A: Nitrogen gas is present in the inert form in the atmosphere.
Q: ther than the application of heat, name other methods of sterilization. Define the methods and give…
A: Sterilization is the process of completely destroying all microorganisms on the surface of an…
Q: Alternative name for Moist-heat sterilization Select one: Oven sterilization Autoclaving Ionizing…
A: Sterilization is any technique that eliminates, removes, or disengages every living organism…
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: How to reduce or eliminate aerial contamination inside the laboratory?
A: Indoor air quality (IAQ) : To main the indoor air quality becomes an important aspect especially in…
Q: Write the limitations of sterilization by Dry heat?
A: The dry heat sterilization technique includes the removal or killing the microorganism and require…
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 difference between a disinfectant and an antiseptic?
A: As per our company's guidelines we are supposed to answer single question at a time, please repost…
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…
What are some advantages and disadvantages of using ionizing radiation to sterilize food?
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- Given the following common laboratory materials, which of the three methods of heat sterilization do you think is the most appropriate and practical to use in sterilizing them ? Why do you think so ? a) empty flask b)L-rod (glass rod c)10 ml glass pipet d) wire needles e)antibiotic solutionWhich of the following methods has the least ability to sterilize below the surface? In other words, which has the least power to penetrate and sterilize? O O a) electron beams b) all of these methods have very little penetrating power c) gamma radiation d) X rays e) ultraviolet (UV) radiation at 260 nm Search a 19UV light is used in clean rooms and some operating rooms. what are the limitations of using UV light as a means of sterilization?
- What products are sterilized using high energy ionizing radiation?Transparent double-sided dishes used for growing microbes are most commonly called A) Petri dishes. B) baker dishes. C) sterilization plates. D) culture medium plates.What is the difference between a disinfectant and an antiseptic? Which is most effective at removing microbes from a product: sanitization, degerming, or sterilization? Explain
- 1.) During a laboratory activity, Chemical reactions from mixture of chemicals should be observed under which laboratory equipment? a.) autoclave b.) fume hood c.) Labaratory Safety cabinet d.) Centrifuge 2.) Which type of equipment contains a HEPA filter that only removes suspended materials from exhausted air? a.) Fume hood b.) Biosafety Cabinet I c.) Biosafety Cabinet II d.) Biosafety Cabinet IIIWhy is ionizing radiation more effective than UV radiation forsterilization of food products?The thermal death point refers to: O 1) The time it takes to kill an organism in an autoclave 2) The temperature it requires to kill an organism within 10 minutes 3) The time it takes to kill an organism at a chosen temperature O 4) The temperature required to kill prions O 5) The time required to disinfect a surface
- Choose two from the following culture preservations that are best to use when only an ordinary refrigerator is available for storage: a) Drying b) Mineral oil overlay c) Freezing with liquid nitrogen d) Lyophilization e) Periodic transfer to fresh mediumWhat is the purpose of degerming? Does it completely eliminate microbes? What are some factors that alter the effectiveness of a disinfectant?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) lyophilization