Q: what is the procedure and materials you need to stain Staphylococcus aureus?
A: Staphylococcus aureus is a Gram-positive, round-shaped bacterium hat belongs to the Firmicutes and…
Q: What is the purpose of fixing a smear?
A: Smear- a smear is a thin layer of a sample such as bacterial cells or blood spread evenly on a glass…
Q: What is indirect immunofluorescence microscopy?
A: BASIC INFORMATION MICROSCOPY It is a field in which the microscope used in order to objects which…
Q: Do you think UVC disinfection of N95 face masks is effective? Give two important considerations for…
A: At the time of Covid-19, N95 masks are currently considered critical supplies by the centers for…
Q: Why is it important to limit the quantity of cells used to prepare a smear?
A: A thin layer of cells or tissues that are taken from the body of an organism under study which is…
Q: Why bleach disinfectant will the most effective against probiotic?
A: Probiotics are live microorganisms that have health benefits when consumed. These are usually…
Q: What is the purpose of Thick smear? Purpose of Thin smear?
A: Blood smear:-Also known as peripheral blood smear. -Blood smear has many different uses ranging from…
Q: in the clinic, the acid-fast stain is used to diagnose infection with which bacterium?
A: The Ziehl-Neelson (ZN) stain is the most commonly utilized of the different types of AF staining…
Q: What is the methods used for identifying unknown bacteria?
A: Ability of identifying various microorganisms have many important application.For example,in the…
Q: What are Romanowsky stains? Name four of these.
A: Staining is a technique used to enhance contrast in samples , generally at the microscopic level.…
Q: Why was a blood agar, rather than a nutrient agar, plate used for the culture from your mouth?
A: Cultured bacteria are any bacteria that grow in the lab by the microbiologist using the required or…
Q: When bacteria from a throat swab are streaked on blood agar, why is the agar stabbed several times…
A: The initial identification of the streptococcal and enterococcal species is based on their hemolytic…
Q: How does pasteurization help us in our everyday life even before it was discovered?
A: As recently as the nineteenth century, humans risked serious illness or even death by drinking…
Q: describe the agar-overlay technique
A: Biological techniques are processes or methods for trying to study living things. They include…
Q: Is UVC disinfection of N95 face masks effective? Give two (2) important considerations for UVC…
A: Decontaminating masks could be effective against the shortage of masks in pandemics.UVC…
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: What are the applications for Pasteurization, Autoclaving, UV irradiation, and Gamma irradiation?
A: It is required to mention the application of Pasteurization, Autoclaving, UV irradiation, and Gamma…
Q: How is household bleach like a weapon against pathogenic bacteria?
A: pathogenic bacteria are those bacteria which can cause disease . they have to be eradicated .
Q: You have learned many different techniques so far this semester that allow us to identify pathogenic…
A: A pathogen is an organism that causes illness in its host, with virulence referring to the intensity…
Q: I Why does't a negative stain colorize the cells in the smear?
A: Staining is a technique which is used for enhancement of contrast in samples mostly at the level of…
Q: What would happen if you had skipped the heat fixing step and continued with the staining procedure?
A: There are various staining methods are used for staining the bacteria, namely simple staining,…
Q: How can I tell if there is contamination?
A: RFLP is a type of DNA polymorphism that has DNA sequence variations that can be recognized by…
Q: What is immunofluorescence microscopy
A: Immunofluorescence microscopy is a technique used for light microscope with a fluorescent microscope…
Q: Why is it important to use sterile practices when working with microorganisms?
A: Microscopic organisms such as bacteria, fungi (mold and yeast), protists, archaea, algae,…
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: What are the possible sources of contamination that may result during the streak plate procedure?
A: The streak plate procedure is used to isolate microbial colonies in pure form. During the procedure,…
Q: microbial CELLS is the most RESISTANT to disinfectants and antiseptics?
A: Prions are the infectious agent which are misfolded proteins having the ability to transmit their…
Q: What is the difference between cleaning, sanitizing, and disinfecting?
A: Cleaning, sanitization and disinfection are the process of making an area free from all the visible…
Q: Which stains are selective in microbiology?
A: INTRODUCTION Gram staining, acid fast staining, capsule staining and volutine granule staining are…
Q: How can a suspect bacterium be fingerprinted?
A: DNA fingerprinting is a technique for detecting a high number of minisatellites in the genome at the…
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: True or false? it is possible to kill or remove all microorganisims by hand washing or using…
A: Microorganisms are small organism that cannot be seen by naked eyes. They include bacteria, fungi,…
Q: Is UV treament more or less effective than disinfection when used against Saphylococcus aureus?
A: Saphylococcus aureus is a gram-positive bacterium that is found in the human nose, skin, and…
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: Are there any natural disinfectants, sanitizers that we can use in our household to prevent…
A: Disinfectant are those chemical agents which helps in inactivation or destruction of microorganisms…
Q: Benefits of UV light sanitizer spray gun
A: Spray gun can be of two types. First type of spray gun that spray out wet mist while the second type…
Q: What things can be done during sample collection of a sick patient to help eliminate the culture of…
A: Normal flora is the organisms that are present in the body for normal functioning. The normal flora…
Q: which antiseptic do you think will be most effective against the probiotic? Why?
A: Probiotics are live microorganisms that have direct health benefits when consumed . They are usually…
Q: Why should freshly collected samples be used for microscopic examination?
A: The benefit of the microscope is that it produces a better resolution than the naked eye. The higher…
Q: f an antimicrobial removal device (ARD) bl
A: Introduction- antibiotic removal device (ARD) it is used to extraxt residual antibiotics in blood…
Q: How is staining techniques useful in the clinical settings
A: Staining: A sample at the microscopic level can easily be visualized and distinguished from the…
Q: What is MDMA ?
A: As a result of the biochemical reactions, the body creates a variety of chemical compounds. Some…
Q: Is Vinegar a disinfectant?
A: It is not an EPA-registered disinfectant that means it won't kill 99.9 percent of bacteria and…
Q: Does the gram staining method still have a place in today's world of advanced diagnostic methods? If…
A: Gram staining is a type of staining which is used to differentiate bacteria on the basis of…
Q: why is it important that you disinfect your work area both before and after working with bacteria?
A: Bacteria are present everywhere in each and every corner,present on non-living surfaces and as well…
Q: What is the purpose of using the streak plate method?
A: Solution- Introduction - Streak plate technique is used for the isolation into a pure culture of…
Q: Are there technologies that can help make Bacterial Culture and Sensitivity done faster?
A: Microbial culture refers to the culture or growing the bacteria in the laboratories on liquid and…
Can hand sanitizer kill bacteria?
Step by step
Solved in 2 steps
- Why do we need to stain microorganisms?How is household bleach like a weapon against pathogenic bacteria?In preparing a bacterial smear for staining, heat fixation is done after the smear dries up.a.) Give the purpose of heat fixation.b.) What can be observed in wet mounts or hanging-drop slides that cannot be observed in heat-fixed slides?
- Jessica placed crystal violet ,grama's iodine and safranin reagents on her bench.Which staining procedure is she preparing for with these reagents? a)Grama's staining procedure b)simple staining procedure c)Acid -fast staining procedure d)Non -acid fast staining procedure e)Scaeffer -Fulton staining procedureWhy bacteria require staining before microscopic examination?Why are thick or dense smears less likely to provide a good smear preparation for microscopic evaluation?