Q: Describe several moist heat methods and their chief applications for sterilization and disinfection.
A: Disinfection is reducing or eliminating the number of microorganisms from the surface of the…
Q: What is the difference between Dry and Wet Celloidin Method?
A: Celloidin method is a histopathological technique of tissue impregnation and embedding that helps to…
Q: What is sterilization? Give specific examples of media which are sterilized by the following…
A: All microbes, such as bacteria, virus, and fungi, requires some essential nutrients for growth. The…
Q: Why is resazurin a useful media additive for the study of anaerobes?
A: Resazurin is a weakly fluorescent, non-toxic, redox-sensitive phenoxazine dye which has a…
Q: Define sterilization.
A: Microbial control indicates the prevention or inhibition of microbial growth. It involves physical…
Q: What is a pure culture?
A: Introduction Culture is referred to th process of growing the cell outside the animal or plant body…
Q: Why are nitrates added to cured meats?
A: Nitrates can be defined as the set of compounds that are indulged in nitrogen and oxygen molecules.…
Q: what type of bacteria would be used to make sauerkraut?
A: Sauerkraut is product of cutting raw cabbage that fermented by various lactic acid bacteria. The…
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 immobilization a good strategy for dealing with uraniumpollution?
A: Uranium (U) is a radioactive chemical element of the actinoid series of the periodic number with an…
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: 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: How are microorganisms able to change the pH of the media in which theyare grown?
A: The microbes can live and reproduce only within an optimum range of environmental conditions. Many…
Q: What is the correlation between radiation “energy” and the mechanisms of sterilization?
A: Safety is of utmost importance while working with any contagious or pathogenic substance or living…
Q: . How could microorganisms be used to remove phosphate in wastewater?
A: Microalgae are able to convert nutrients from wasrewater into biomass and bioproducts,thus improving…
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: What is the principle behind sterilizing media before use and before disposal
A: Microorganisms may be beneficial or harmful. The harmful microorganism causes many infections which…
Q: How do microorganisms in a chemostat differ frommicroorganisms in a batch culture?
A: Microbial culture refers to breeding or growing of microorganisms in laboratory-controlled…
Q: What are some advantages and disadvantages of using ionizing radiation to sterilize food?
A: Sterilization involves physical methods for removing or controlling the microbes. The physical…
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 do you think autoclave sterilization of media is preferred over open flame?
A: An autoclave is used to sterilize surgical equipment, laboratory instruments, media and other…
Q: Explain why it is essential that bacteria cultures be sterilized in an autoclave.
A: The microbial cultures are grown in the laboratory so as to multiply them or increase the number of…
Q: What is selective medium?
A: Description of a selective medium.
Q: When preparing samples for SDS-PAGE, what is the purpose of boiling the samples at 95°C?
A: Electrophoresis is a laboratory technique used to separate and isolate desired nucleic acid…
Q: What are the possible ways to sterilize heat labile products? Explain your answer with suitable…
A: Heat labile materials are those substances that can undergo change rapid change when exposed to high…
Q: Distinguish heat sterilization and "commercial sterility".
A: lowering the prevalence of harmful bacteria until they are no longer a health threat. usually…
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: What is the temperature for pasteurisation?
A: There are several methods to preserve food products and beverages or to increase their shelf life,…
Q: What are the culture media that can be used for cultivating non-specific and specific…
A: A microbiological culture medium is a substance that promotes the growth, support, and survival of…
Q: What kind of radiation is used to treat food?
A: Food irradiation is the process where the food is exposed to ionizing radiation such as gamma rays,…
Q: Why is egg enrichment not added to BPA prior to sterilization?
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Q: Why does hydrogen peroxide are most effective against probiotics?
A: Hydrogen peroxide is a peroxide. It acts as an oxidizing agent
Q: What are several microbial targets of pasteurization?
A: In the living world, we see a large number of microorganisms, animals and plants. These organisms…
Q: Why is cobalt chloride paper used in the experiments?
A: The indicators are used in the experiment to detect the distinct observable change. Many types of…
Q: What type of media components cannot be sterilized in an autoclave?
A: Sterilization refers to the complete destruction or elimination of all viable organisms. The process…
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: Why is the sterilization important in healthcare system and can you give briefly explain?
A: Medical sterilization mainly makes use of three important terms such as sterilization, disinfection…
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 might have been some of the culture conditions used to isolate A. fumarolicum?
A: A.fumarolicum is an Extremophile. They are acidophilic, thermophilic and methanotropic in nature…
What products are sterilized using high energy ionizing radiation?
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- In sterilization, which among the supplies, instruments, glassware, etc. under the list of materials can be sterilized using either or both equipment below? List them down under the category: a) For “autoclaving” only, B) For Dry heat oven sterilization ,And C) Can be sterilized with either. Materials: 200-ml Erlenmeyer flask Stove 500-ml Erlenmeyer flask Autoclave 10-mL graduated cylinder Analytical balance 100-ml graduated cylinder pH meter Spatula Stirring rod 100-mL beaker Test tubes Distilled water Petri dish Stirring rod Alcohol lamp Glass dropperDistinguish heat sterilization and "commercial sterility".Other than the application of heat, name other methods of sterilization. Define the methods and give examples of materials sterilized in each method.
- 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 solutionWhat is the difference between sterilization and disinfection? For lab applications which is preferred?What is an alternative to autoclaving for sterilizing heat-sensitive materials?
- What is the purpose of adding sodium bicarbonate to a culture medium?What advantages do solid media offer for the isolation of microorganisms? How will you check the purity of an isolate?Which 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 19