Q: What is a mixed culture? A contaminated culture?
A: A microbiological culture, or microbial culture, is a technique for increasing microbial creatures…
Q: What are the 2 most important reasons for using a positive control in Microbiology tests? What are…
A: A control test is used to set a reference for comparison in microbiological tests. It helps the…
Q: explain in your own words an introduction to a lab about Control of Microbial Growth - Antimicrobic…
A:
Q: Are the large numbers of microorganisms found in the mouth cause for concern? Explain.
A: We are authorized to answer one question at a time.Since you have not mentioned which one,I am…
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: What is a selective medium? What is a differential medium?
A:
Q: What are the physical methods of microbial control
A: Control of microorganisms is fundamental to forestall the transmission of illnesses and disease,…
Q: How can the enrichment culture technique be used medically?
A: Bacteria require appropriate environmental conditions for its growth. Solid or a liquid preparation…
Q: Why is it important to become familiar with the microbiology laboratory's apparatus and equipment?
A: You should always know your lab equipment well before you do any type of experiment because without…
Q: How would you identify this unknown bacteria using a flowchart and the bacteria below as a possible…
A: Biochemical tests in Microbiology help in distinguishing and identifying bacteria. Through the…
Q: What is the purpose of adding dishwashing liquid into the banana mixture? What reagent is used in…
A: DNA extraction is the method of isolation of genetic material ( DNA ) from plants , animals or any…
Q: Is the Triple-Sugar Iron Agar (TSIA) a complex or defined medium? Explain based on its composition.…
A: A growth medium is a also known as a culture medium which can be solid, liquid, and even…
Q: The factors for the manipulation of culture medium?
A: Culture medium It is also called a growth medium. It is a solid, liquid, or semi-solid medium that…
Q: Is the Peptone Iron Agar (PIA) a complex or defined medium? Explain based on its composition. Is the…
A: Depending on their composition, media can be classified as defined and undefined media. Defined…
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: You saw no color change in both the first step and second step of the Nitrate Reduction test. What…
A: A nitrate reduction test is a test done to test whether the Enterobacteriaceae member produces the…
Q: Name and explain the culture media that can be used for cultivating non-specific and specific…
A: a) nutrient agar & tryptic soy agar, & brain heart infusion agar are culture media that can…
Q: hich method for introducing microbes on media uses an inoculation loop and the bacterial sample is…
A: Answer. The four-quadrant streak method is used for introducing microbes on media using an…
Q: Why are traditional tests such as metabolic test not always used to ID clinically important…
A: Traditional methods for identification of microbes include phenotypic tests or biochemical tests…
Q: What is the basis of enrichment culture techniques? Why is an enrichment medium usually suitable for…
A: Enrichment culture media is the one which is used for the growth and isolation of a specific type of…
Q: What is the importance of using a test/control organism in describing the cultural characteristics…
A: The food materials on which the organism is developed is called culture medium and the development…
Q: The statement, “In the laboratory, a sterile inoculating loop is moved across the agar surface in a…
A: The technique is streak plate technique. Streak plate method is a pure culture technique which helps…
Q: What is the principle behind invertase test
A: Invertase was an enzyme that hydrolyses the disaccharide sucrose into monosaccharides glucose and…
Q: Explain why it is important to use only a small amount of bacteria when preparing a smear
A:
Q: What is a pure culture and how can one be obtained
A: Cells are the structural and functional units of life.
Q: How is air contamination prevented when an inoculating loop is used to introduce or take a bacterial…
A: Biotechnology is a branch of biology, including the use of living organisms to produce products.…
Q: which method do you think is more reilable, a test utilizing microbial growth media, or a…
A: The investigation of microorganisms is significantly aided by the ability to culture them, that is,…
Q: Before using the API® Staph System, what tests should be performed on bacteria to confirm that they…
A: API Staph (analytical profile index) is a systematized procedure used for the identification of the…
Q: Distinguish batch culture and continuous culture
A: Fermentation is used to convert carbohydrates into alcohol or acids. This process occurs in some…
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: Can simply observing the colonies formed on agar plates and the results of a few biochemical tests…
A: Bacteria from colonies in the agar plates and different bacterial colonies will differ in shape,…
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: What is the main difference between plates before and after centrifugation? What may be the purpose…
A: Answer: CENTRIFUGATION = It is the process involving mechanical force that is centrifugal force,…
Q: Outline the different types of microbiology-based tests conducted in the pharmaceutical industry and…
A: Thank you for the question Answer :- Pharmaceutical microbiology is a brach microbiology that is…
Q: Which techniques may be used for viable counting methods of microbial measurements? Explain.
A: To identify the microorganism, it must first be placed into a medium to commence development, and…
Q: Explain why culture based biochemical and genetic testing would not be the ideal method to identify…
A: Microbial culture or microbiological culture is a technique in microbiology in which microorganisms…
Q: Explain with the examples of biochemical test that are used to identify the bacteria in the…
A: The smallest organism that is usually defined that the are been can be seen with the naked eye is…
Q: a single agar plate can be used to quantitatively measure the MIC value of multiple antibiotic…
A: Antibiotics are a typical type of antibiotic that doctors use to treat bacteria. Antibiotics are…
Q: Why is it so important to develop tests to ID bacteria
A: Answer: BACTERIA : These are the unicellular microorganisms, which are prokaryotic in nature.…
Q: How many different types of colonies can you find on the blood agar plate? describe each. (As shown…
A: Blood agar is general medium that is provided with the nutrients and can be use as a general growth…
Q: What would happen if the enrichment method in the isolation of bacteriophage was omitted?the…
A: The bacteriophages are bacteria that are infected by a virus are known to exist in all possible…
Q: Name three reasons why the ELISA test is useful in detecting microbes
A: ELISA: ELISA ~ Enzyme-Linked Immunosorbent Assay A screening tool used…
Q: escribe the examples of biochemical test that are used to identify the bacteria in the laboratory.
A: According to the definition of a biochemical test, it is a test that is used to distinguish between…
Q: Which piece of equipment sterilizes hospital tools and devices and how does it sterilize things? Are…
A: Sterilizing pieces of equipment are very important in modern healthcare settings. It is necessary…
Q: You have retrieved your MHA (Mueller-Hinton agar) plate, your materials, and your E. coli culture.…
A: Answer : First step of the kirby-Bauer test :-
Q: Suppose your Professor handed you a test tube with 2.0mL of E.coli broth culture and told you to…
A: In both basic and applied research, "microbiology" is a highly significant area. Proteomics,…
Q: Why did you perform the catalase test on colonies growing on nutrient agar plates but not on the…
A: Catalase test is used to identify the presence of catalase enzyme in the bacteria. Catalase is an…
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…
Q: What is the goal of isolation streak plate technique? Why is microbial considered a pure culture?
A: Streaking : Streaking for isolation on an agar plate involves the successive dilution of organisms…
What is an E-test strip, and what is it used for in the
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- What are the 2 most important reasons for using a positive control in Microbiology tests? What are the 2 most important reasons for using an uninoculated negative control in Microbiology tests?What is the purpose of the pour plate technique? If a pure culture is used to inoculate the plate, why are some colonies bigger than others?What could be possible errors when you incorrectly identify an Unknown organism when using IMViC tests in Microbiology?
- What are the possible reasons why culture plates may have too many colonies despite performing serial dilutions and OD600 readings?What is the difference between a mixed culture and a contaminated culture if they both contain more than one type of organism ?In the Harada-Mori culture technique, how are you going to dispose the culture tubes? Is it suitable to use refrigerated samples for this procedure Why or Why not?
- How to prepare an agar plate for bacteria? How to include the antibiotics into agar plates? How long should you wait for bacterial colonies to grow on agar plates? What is the appropriate temperature?.Discuss fresh, living preparations vs fixed preparations. What are the advantages and disadvantages of each technique in a microbiology laboratory?Please discuss how the Methyl Red-Vogues Proskauer test helps distinguish microbes from each other.
- What is the main difference between plates before and after centrifugation? What may be the purpose of concentrating the media and perform a second plating?Name and explain the culture media that can be used for cultivating non-specific and specific microorganism? b. can culture medium be placed in a freezer? why or why notCan you show the step by step process of Nitrate Redution Test using a schematic diagram?