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 a mixed culture? A contaminated culture?
A: A microbiological culture, or microbial culture, is a technique for increasing microbial creatures…
Q: Why is it important for a microbiology laboratory technician to use aseptic technique?
A: The majority of the microbes onto which scientists work in laboratories are known pathogens.
Q: Why is it necessary to maintain aseptic conditions in microbiology?
A: Aseptic conditions means microbs free environment. Microbs means bacteria, virus and fungi. It may…
Q: Why is it sufficient to stain cells from a SDA (Sabouraud Dextrose Agar) plate with crystal violet…
A: Introduction : Sabouraud agar, often known as Sabouraud dextrose agar (SDA), is a peptone-containing…
Q: Physical methods of sterilization include :
A: disclaimer: since you have posted multiple questions we have answered the first question for you. if…
Q: why it is useful to plot the microbial growth from a growing microbial culture?
A: The term microbial growth refers to the growth of a population of microbe, it is an increase in the…
Q: Why is the membrane filter method preferred to the most probable numbermethod (MPN) for the…
A: Most probable number (MPN) is a method used to estimate the numbers of bacterial cells in a water…
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: Why are semisolid media sometimes preferred over slide techniques for evaluating bacterial motility?
A: Semi-solid media are soft media that is used in demonstrating the motility of bacteria and…
Q: What are the advantages and disadvantages of observ-ing living-specimen slides and…
A: Microorganisms are the organisms that are not visible to the naked eye. Their size ranges in few…
Q: What are the purposes of carrying out the streak plate andpour plate techniques in microbiology?
A: It is a technique used to isolate a pure strain from a single species of microorganism, often…
Q: What is the relation of microbail growth to microbial physiology?
A: Microbes are small organisms that are found in a diverse range of habitats. The rate of growth and…
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: Explain why it is important to use only a small amount of bacteria when preparing a smear
A:
Q: Why is it critical to be able to determine the overall number of bacteria present in a food sample?
A: Hi, Thanks For Your Question. Answer : Monitoring Of Total Bacterial Count Is Necessary, Because…
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 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 is Escherichia coli used as an indicator organism inmicrobial analyses of water?
A: The well-known gram-negative bacteria are E. coli (Escherichia coli).
Q: Why are most antimicrobial chemical agents disinfectants rather than sterilants? What general…
A: Most chemical antimicrobial agents are disinfectants instead of sterilants. A disinfectant reduces…
Q: What is the media used in Urease Test and expected results?
A: Urease test is defined as a biochemical test that distinguishes the basic alkaline fermentation of…
Q: Define the term “colony” as it relates to bacterial growth on solid media.
A: The pure culture techniques are carried out in the microbial laboratories, where the microbes of…
Q: Can simply observing the colonies formed on agar plates and the results of a few biochemical tests…
A: These are biochemical test is to perform to identify different type of bacteria.
Q: Distinguish batch culture and continuous culture
A: Fermentation is used to convert carbohydrates into alcohol or acids. This process occurs in some…
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: In determination of microbial motility, what is the value of a hanging-drop perparation? what is the…
A: Hanging drop is a motility testing which helps microbiologist to view motility of bacterium.
Q: How does the agar dilution method differ from streaking toobtain isolated colonies?
A: Both these are methods to culture microorganisms and have their respective pro and cons as mentioned…
Q: What is the most difficult type of microbial cell or structure to kill? What methods can be used to…
A:
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: Why are dilute culture media used for isolating pelagicmicrobes?
A: Pelagic habits are abundant in microbes. The diversity spans domains, however it is usually seen…
Q: what is the procedure of solving the probelems of cultures those are suffering severely due to…
A: This is the defense compound of the plant and are toxic in nature because of that preventing plant…
Q: How does smear preparation of cells from a liquid medium differ from preparation of cells from a…
A: Answer: Smear Preparation is the method in microbiology laboratories to place the small amount of…
Q: selective agar media for gram-positive bacteria?
A: Phenyl Ethyl Alcohol Blood Agar is a selective media for gram positive bacteria.
Q: What products are sterilized using high energy ionizing radiation?
A: Sterilization is the process of killing microorganisms.
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: What method can be used to achieve sterilization?
A: It is required to describe the method to be used to achieve sterilization.
Q: If you suspect that your microbial culture growing in nutrient broth is contaminated, what can you…
A: The contamination refers to the growth of one or more undesired cultures in your pure sample. It can…
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: What type of reaction or lab test differentiates the presence of either staphylococcus bacteria or…
A: Staphylococcus Bacteria which grows in cluster are Gram-positive (catalase-positive). Streptococcus…
What advantages do solid media offer for the isolation of
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- why it is useful to plot the microbial growth from a growing microbial culture?What are some methods to prevent contamination during streak plating a medium?What is the most difficult type of microbial cell or structure to kill? What methods can be used to sterilize a sample contaminated with these?
- Why might viable cell cultures be of more use in microbialtaxonomy than preserved specimens?What concentration of agar is used in a semisolid medium for motility determination? How does that compare to a typical solid medium ? Explain.Why is it best to use sterile distilled water in the preparation of microbial suspension and dry smears for slide preparation? What possible error could happen if a glass slide is reused for slide preparation?