Q: Is staphylococcus epidermidis a halophile?
A: Bacteria grows when they meet the certain requirement like- chemical, physical conditions in their…
Q: Why would farmers be concerned about nitrifying bacteria?
A: Nitrifying bacteria are a small group of aerobic bacteria belonging to the family Nitrobacteraceae…
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: Define sterilisation.
A: Microorganisms are very small organisms that cannot be seen by naked eyes. They are mostly…
Q: Which characteristic of the species used determines whether sterility was achieved when autoclaved?
A: Microorganism: These are too small organism which is impossible to see by naked eyes. They exist in…
Q: Define sterilization in terms of microbiology.
A: Sterilization is a process by which all the possible living forms like bacteria, fungi, protozoa and…
Q: What are the most common methods of male and female surgical sterilization?
A: Fertilization is a natural process of producing children and offspring where the male gamete(sperm)…
Q: Define sterilization.
A: Microbial control indicates the prevention or inhibition of microbial growth. It involves physical…
Q: What growth factor is often supplied for cultivation of fastidious bacterial pathogens?
A: A fastidious organism requires specific nutrients for growth. In microbiology, the culture medium…
Q: How to produce high yield of biomass of facultative anaerobic bacterium in laboratories?
A: Facultative anaerobic organism It refers to the organism that generates ATP through the process of…
Q: How does McConkey agar serve as both selective medium and differential medium ?
A: MacConkey agar is a culture media that contain bile salts, crystal violet dye, neutral red dye along…
Q: Why have several specialized media been developed? Give an example ofone such medium.
A: Culture media is of basic importance for many microbiological tests: to get pure cultures, to grow…
Q: Define the discovery of spores and sterilization.
A: The process of sterilization refers to any procedure that aims to destroy and remove all sorts of…
Q: why macconkey agar and mannitol salt are regard as salective and deffrental medium?
A: A culture medium is just water and nutrients that support microbic growth. Primary culture media for…
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: 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: What process would explain why the dyes spread through the agar?
A: Agar -- Agar is polymer and mixture of polysaccharides obtained from the cell wall of red algae .…
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 often must bacteria be subcultured from a broth to maintain culture viability?
A: Answer: Sub-culturing is the method of regrowth of the bacterial cells in to a freshly prepared…
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: 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: Can simply observing the colonies formed on agar plates and the results of a few biochemical tests…
A: Bacteria are of many types. They can be classified based on different properties such as cell wall…
Q: Discuss the principle of flame sterilization.
A: Sterilization is any method that eliminates, destroys, or kills any life such as fungi, bacteria,…
Q: Discuss how can some anaerobes be maintained in pure cultures?
A: Introduction :- A pure (or axenic) culture is a population of cells or multicellular creatures that…
Q: In a tabulated form, differentiate the physical and chemical methods of sterilization.
A: The microbiological technique that is performed for the removal, killing, or deactivation of…
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: Describe the concept behind sterilization by fi ltration, including examples of applications.
A: While working in a laboratory, aseptic conditions have to be maintained. This means that the lab has…
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: 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: explain how bacteria can develop resistance to chemical disinfectants
A: Biocide resistance to biocides is bought about by Intrinsic resistance or (intrinsic…
Q: Explain what features of endospores make them so resistant to microbial control, and how sterilizing…
A: Controlling microbial growth entails inhibiting or preventing the growth of microorganisms. This…
Write the limitations of sterilization by Dry heat?
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Solved in 2 steps
- Is the autoclaving process absolute in killing all microorganisms? If not, what are the factors that hinder effective sterilization through autoclaving?Why is the time of exposure and temperature required for sterilization greater for dry heat than for autoclaving?What are the approaches for sterilization during the production of sterile products? Please answer at your own words