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 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: What is the importance of an antimicrobial removal device (ARD)?
A: The antimicrobial removal device (ARD) is a device that removes antibiotic residues from blood…
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: how is the streak plate technique used to isolate and purify psychrotrophic spoilage-causing…
A: Microbiology is an indispensable subject of biological sciences that concerns the study of microbes…
Q: Is the autoclaving process absolute in killing all microorganisms? If not, what are the factors that…
A: Autoclaving works on the principle of moist heat. Autoclaving is the only process that achieves…
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: What is the significance of heat fixing the smear?
A: Gram staining is a common laboratory technique in microbiology that is used to differentiate…
Q: Why are complex media preferable to chemically defined media for routinecultivation of…
A: Microorganisms require nutrients as an energy source and certain other environmental conditions to…
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: What is the purpose of degerming? Does it completely eliminate microbes? What are some factors that…
A: 1.Degerming is the process used to reduce mircrobial numbers by gently scrubbing tissue with a mild…
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: Why might viable cell cultures be of more use in microbialtaxonomy than preserved specimens?
A: Microbial taxonomy is a field of biological sciences that deals with the grouping of microorganisms…
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: 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: 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: What is selective medium?
A: Description of a selective medium.
Q: How does sterilizer spray work from drones?
A: Sterilization is a process by which a material is completely devoid of microorganisms like bacteria,…
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: Can hand sanitizer kill bacteria?
A: Sanitizer is referred to as any substance or fluid that is used to prevent the spread of pathogens…
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 point of the pressure in the autoclave sterilization?
A: Autoclaves are the devices which are like pressure cookers and used in laboratories that provide a…
Q: What compounds or chemicals might be added to a medium to make it selective?
A: Culture medium or growth medium is a liquid, solid, or semisolid designed to support the growth of…
Q: What other fields of science besides microbiology is the aseptic technique used?
A: Aseptic technique refers to the procedures that prevent the contamination of microorganisms. They…
Q: Discuss the principle of flame sterilization.
A: Sterilization is any method that eliminates, destroys, or kills any life such as fungi, bacteria,…
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: How can organisms develop resistance to chemical disinfectants?
A: Bacteria can develop resistance to disinfectants over time either by acquisition of exogenous mobile…
Q: selective agar media for gram-positive bacteria?
A: Phenyl Ethyl Alcohol Blood Agar is a selective media for gram positive bacteria.
Q: Why is egg enrichment not added to BPA prior to sterilization?
A: Baird–parker agar or BPA is a selective medium is identify or isolate S. aureus in food. It contains…
Q: What products are sterilized using high energy ionizing radiation?
A: Sterilization is the process of killing microorganisms.
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 is the difference between disinfection, antisepsis, and sterilization?
A: Microorganisms are present every where. They are not visible with naked eyes but are present at…
Q: Why is chlorination, although beneficial in terms of bacterial pathogen control, of environmental…
A: Chlorination is a disinfection procedure in which microorganisms are killed by the use of chlorine…
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: 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…
What is an alternative to autoclaving for sterilizing heat-sensitive materials?
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- Why is the time of exposure and temperature required for sterilization greater for dry heat than for autoclaving?Is the autoclaving process absolute in killing all microorganisms? If not, what are the factors that hinder effective sterilization through autoclaving?What products are sterilized using high energy ionizing radiation?
- What method can be used to achieve sterilization?Is the autoclaving process absolute in killing all microorganisms? If not, what are the factors that hinder effective sterilization through autoclaving? When can you say that the sterility of an instrument is compromise?Why does dry heat require higher temperatures for longer time periods to sterilize than moist heat?