in the clinic, the acid-fast stain is used to diagnose infection with which bacterium?

Q: How does cotton plug prevent contamination of the medium? [Answer in not more than 2 sentences

A: Cotton plugs are used in various experiments as lids to cover the  mouth of the flask. It is usually…

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: The number of bacteria in a sample can also be quantified with other techniques, such as examination…

A: In microbiology laboratories the number of microorganisms present in a particular sample is…

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 is the purpose of the pour plate technique? If a pure culture is used to inoculate the plate,…

A: PURPOSE OF POUR PLATE TECHNIQUE The pour plate techniques can be used to determine the number of…

Q: If an unknown bacteria was given that was gram-positive coccus, and the catalase test was performed,…

A: Gram-positive bacteria, such as Staphylococcus aureus, are bacteria that provide a positive response…

Q: For post mortem stain to occur ______must happen. A. Coagulation B. Hemolysis C. refridgeration…

A: For post mortem stain to occur pH shift to alkaline   must happen.

Q: What might happen if the Gram staining procedure is performed ona culture incubated for a little…

A: Gram staining is one of the staining methods used in laboratories to differentiate between two broad…

Q: Why is there a need to use a staining agent in observing the specimen?

A: Staining agent:          The things that owes-out stains were recognized as staining agent,…

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: Move the images of bacterial cells into the chart to illustrate the color of gram-positive and…

A: Gram staining is a technique used to differentiate between two groups of bacteria namely…

Q: Which bacterial morphology is demonstrated by this simple stain? choose as many as are correct

A: For all types of bacterial cells, a simple staining method may be used to give contrast to the…

Q: describe the agar-overlay technique

A: Biological techniques are processes or methods for trying to study living things. They include…

Q: which bacteria is Rods with parallel sides and rounded ends, gram negative, non motile and negative…

A: Bacteria classified according to their shape ate of following types: Spherical bacteria known as…

Q: Create paragraphs to differentiate among the following terms: positive stain, negative stain, simple…

A: An organic molecule with a benzene ring, a chromophore, and an auxochrome group is known as a…

Q: Could the Gram stain be used to diagnose the fl u? Why or why not?

A: Gram staining : It is a technique used for differentiation between two large group of bacteria based…

Q: Can culture media be sterilized in the hot air sterilizer? Why or why not? (Answer in not more than…

A: Sterilization is defined as a process by which an agent is used to destroy or remove the…

Q: a specimen from an infected wound has been submitted to the clinical laboratory. explain in detail…

A: Viruses, bacteria, fungus, protozoa, and helminths are the five types of disease-causing agents…

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: Explain why it is important to use only a small amount of bacteria when preparing a smear

A:

Q: Why does fixation of the positive dye help bacteria stick to the slides?

A: Dyes in microbiology are for staining cells; they are used based on the chemical properties and the…

Q: If you prepare culture media plates 2 days ahead of the laboratory schedule, can you still use the…

A: Preparation of culture media and inoculation are two of the very sensitive steps in any…

Q: Describe the steps of the Gram stain, and explain how it can be animportant diagnostic tool for…

A: Gram staining is a method used to differentiate and classify the bacterial species into two category…

Q: Why are smears of capsulated bacteria not heat-fixed before staining as opposed to Gram staining?

A: Gram staining is a differential staining technique developed by Danish bateriologist Hans Christian…

Q: What test can help you differentiate staphylococci from streptococci? What reagent or media would be…

A: Both are gram positive bacteria.

Q: What would be the expected outcome of an endospore stain test If the bacteria is a pathogenic…

A: Endospore stain is a differential stain that is used to image endospores in bacteria. A few genera…

Q: Can hand sanitizer kill bacteria?

A: Sanitizer is referred to as any substance or fluid that is used to prevent the spread of pathogens…

Q: Based on the photo, describe the bacteria observed from the different staining technique. -…

A: Microbiology was a blessing in the eradication of mass-destructive epidemics such as rabies,…

Q: erial slide agglutination technique important in diagnostic procedure?

A: Immunoassays are bioanalytical ways that use the specificity of an antigen-antibody reaction to…

Q: The culture primarily contains nutrients such as sugars and a gel (agar). Why don’t viruses grow in…

A: Culture media are an integral part of the microbiology lab. There are various kinds of media used in…

Q: Equipment or materials used in immobilizing and separating cells of streak, pour and spread method.

A: Answer :- We need to understand one by one are as follow :-  * Equipment or materials used in…

Q: If the bacterium was lysogenized by a bacteriophage that has a virulence gene, determine the kind of…

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

Q: From figure . What type of bacterial infection could bediagnosed using the stain shown in the…

A: Microbiology is the study of microorganism. The organisms that cannot be seen through naked eyes are…

Q: you are given a mix culture of S aureus, E. coli and P. aeruginosa. besides using the streak plate…

A: The first requirement for physically isolating a bacterium is that it can be cultured in the…

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: what is your initial assumption of the organism causing this disease

A: Bacteria are the prokaryotic microorganism and based on the structural cell walls, Gram stain…

Q: How do we reconcile the number of colonies in the plates to the actual number of bacteria in the…

A: Microbes may enter the body in a variety of ways and cause infection everywhere, but antigen and…

Q: Gram negative bacteria do not retain the stain when washed with alcohol.Comment.

A: Gram staining is a most important technique in the microbiology to differentiate the group of…

Q: You want to isolate staphylococci from a clinical sample, as you suspect the patient nas an…

A: Staphylococcus aureus : It is gram positive , round shaped bacteria and is a usual member of…

Q: Name four bacterial diseases for which the dark-field microscope isan effective diagnostic tool.

A: Dark-field microscopy is one of the most effective tools of microscopy that aims to detect the live…

Q: What would be the expected out come of a gram staining test If the bacteria is a pathogenic…

A: Gram staining is a common technique used to differentiate two large groups of bacteria based on…

Q: DESCRIBE THE BACTERIA OBSERVED. DO NOT DEFINE THE STAINING TECHNIQUES. PLEASE REFER TO THE PHOTO.

A: Microbes, which are tiny and nearly invisible, have had a huge influence on society since the…

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: stain

A: Cartilage is a smooth elastic tissue, it protects the bones at the joint by padding it.

Q: Explain why some cells are pink and others are the Gram- stained bacterial smear.

A: Gram staining is the differential staining technique performed to differentiate the bacterial…

Q: What is the physical appearance (solid, liquid, semi-solid) of following media:Agar deep tube

A: Bacterial culture media is a kind of growth media in which the required bacteria is  cultured. The…

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…

Microbial Growth

The development of microbial growth is influenced by various natural conditions (both physical and synthetic) like pH, temperature, saltiness, gas focus (O2, CO2, and H2), nutrients, water action, and assimilation. Knowing the distinctive physical and chemical factors that influence the development and endurance of microbial growth in the climate will assist with reinforcing endeavors outfitted towards their control. These lines lessen or diminish their harmful impacts on humankind, creatures, and the climate.