s there an Australian standard method for analysing food samples for Staphylococcus aureus?

Q: It refers to the GHS symbol on the label and SDS. Not all categories have symbols associated with…

A:

Q: What are the advantages and disadvantages of using fi ltration as a method of control?

A: Filtration is the separating of substances based on their different chemical and physical qualities.…

Q: How does incubating plates at 37°C influence the results of the quantitative dilution and plating of…

A: Under the regulated conditions of the laboratory when microbial cells are allowed to grow and…

Q: What is the importance of aseptic techniques and sterilization in dealing with SarsCoV 2 Virus…

A: Introduction  A contagious illness called coronavirus disease (COVID-19) is brought on by the…

Q: What is the significance of S. aureus/MRSA as a normal flora species in the development of potential…

A: Staphylococcus aureus It is part of the normal human flora(bacteria that normally reside in or on…

Q: What is the principle of Molisch test, Benedict test, Biuret test, Xanthoproteic test, Sudan test,…

A: The tests that are mentioned above are the tests used for identification of biomolecules like…

Q: How did Georg Gaffky cultured Salmonella Typhi?

A: Salmonella enterica is a kind of bacteria. Typhoid fever is caused by a gram-negative bacteria…

Q: If PPE is the least effective means of controlling infection, why is it the method promoted in the…

A: To explain: Why PPE method  is promoted in the community to prevent the spread of COVID

Q: Describe how cellular characteristics are used to categorize grampositivebacilli into major groups.

A: Introduction There are various methods available for the classification of microorganisms such as…

Q: What are the purposes of the antimicrobial agents present in the selectivemedia used for the…

A: the purposes of the antimicrobial agents present in the selective media used for the isolation of…

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: Name the variety developed & disease to which it is resistant in case of :-i) Brassicaii) Cowpea

A: There are two methods of breeding disease resistance variety namely, a) conventional breeding b)…

Q: What are the approaches for sterilization during the production of sterile products? Please answer…

A: destruction or complete removal of all living organisms and their spores is called as sterilization.…

Q: on the types of studies. Which sampling design you may recommend for the following experiments :…

A: Sampling methods play a very important role in investigation of various infection and disease either…

Q: What is a good strategy for isolating spore-formingbacteria from an environmental sample?

A: Microorganisms are small organism that cannot be seen by naked eyes. Microorganism can be harmful to…

Q: Why is the ELISA test used to screen human serum for the AIDSvirus, while the Western blot procedure…

A: Answer: Introduction: The human immunodeficiency viruses (HIV) are the type of a subgroup of…

Q: In a table format give the motivation why they have been considered as controlled diseases, location…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Explain the two major drawbacks of phenotypic testing methods that require culturing the pathogen.

A: The phenotypic approaches involve identifying bacteria by taking into account their behaviour and…

Q: S. aureus is gram positive. What differences in strains might account for differences in phage…

A: Bacteria are microscopic single-celled organisms that thrive in diverse environmental conditions.…

Q: Clarify what is involved in inoculation, growth, and contamination.

A: Microorganism:   These are too small organism which is impossible to see by naked eyes. They exist…

Q: What should be taken into consideration in the selection of the culture preservation method?

A: The problem of maintaining microbial culture is one that many fields of microbiology face. The…

Q: 10) If the bacterium Staphylococcus aureus experiences a cost for maintaining one or more…

A: Staphylococcus aureus becomes drug-resistant. Genetic mutation is the process that decreases…

Q: Describe a plate (NA plate with E. coli and chloroform-treated sewage) with plaques in the isolation…

A: Bacteriophages often known as phages  are the viruses that attack and spread throughout bacterial…

Q: What approach can be used to enumerate the virus MNV-1 (murine norovirus) if you want to test a…

A: Murine norovirus (MNV-1): It is a virus that infects the mouse. This virus first came into…

Q: 18) What tissue samples the above slides were taken from?19) What is the name of the parasite…

A: The provided histological slides depict tissue samples from patients infected with two different…

Q: explain any six (6) objectives of surveillance in public health and describe the features of passive…

A: Disclaimer: dear student due to time constraints I will be answering your first question here,…

Q: How does alkaline treatment improve the quality of agar/carrageenan extracted from the seaweed…

A: Agar is a polysaccharide created from two essential additives. Agarose and agaropectin. Agarose is…

Q: selective agar media for mycobacterium tuberculosis?

A: LJ(Lowenstein - Jensen ) media is used for cultivation and isolation of mycobacterium tuberculosis…

Q: how does teh ELISA  help determined who the initial disease carrier is.

A: The enzyme linked immunosorbent assay is an analytical biochemistry assay which uses a solid phase…

Q: Below are listed the LD-50 values for toxins from specific isolates of a bacterial species. Which…

A: Toxin is a substance, such as a metabolic product of the pathogen, that affects the normal…

Q: What makes a culture media as SELECTIVE? Explain and provide examples of selective type of culture…

A: A culture medium or growth medium is a substance that is used to grow the microorganisms under…

Q: Name five functional traits of microorganisms. What dose the functional diversity describe? Do we…

A: Functional traits of the microbes describe individually expressed phenotypes or characteristics of…

Q: selective agar media for salmonella typhi?

A: Selective agar medium is used to isolate a particular type of bacterial species or genus .

Q: What are the basic differences between the streak plate and the pour plate methods of isolation?

A: Introduction: Microbiologists use the streak plate and pour plate procedures to cultivate mostly…

Q: a) Dilution factor b) Dilution c) Both dilution factor and dilution d) Neither dilution nor dilution…

A: Solution is formed by the solute and the solvent. If the concentration of solute is more than the…

Q: What is the value of differentiating S. aureus from other species of staphylococci?

A: The objective of this question is to understand the importance of differentiating Staphylococcus…

Q: Briefly describe multi locus sequence typing (MLST) as it relates to the identification of Listeria…

A: Molecular typing is a technique that is used to identify microbial strains based on their genetic…