What is the main advantage of using the slide culture technique for identifying molds?
Q: What is the difference between a mixed culture and a contaminated culture if they both contain more…
A: In microbiology , a bacterial culture is a growth of microorganisms which have been grown in a…
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 advantages do solid media offer for the isolation ofmicroorganisms?
A: Micro-organism are those that cannot be seen by the naked eye, but are visible under microscopes.…
Q: What is a mixed culture? A contaminated culture?
A: A microbiological culture, or microbial culture, is a technique for increasing microbial creatures…
Q: In the preparation of a bacterial smear, why is there a need to fix the bacteria to the slide? Aside…
A: Several laboratory techniques necessitate smear preparation. A smear can be made using either broth…
Q: What is agar and why is it necessary for growing bacteria on plates?
A: Agar is a mixture of two polysaccharides- agarose and agaropectin. It is derived from red-purple…
Q: What is the difference between culture-based technique and culture-independent techniques based on…
A: A microbiological culture, also known as a microbial culture, is a way of multiplying microbial…
Q: Which solid media is required when a fungal species needs to be identifiedand studied?
A: Answer- Fungal culture is important to study about various human fungal diseases.
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: What are pure cultures and why are they important? How are spread plates, streak plates, and pour…
A: In science and related fields, a culture plate is a low level lined lab holder for growing a layer…
Q: What is the difference between streak plate method and spread plate technique?
A: Answer of the question given below...
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: why is it necessary to employ a spore stain rather than rely on diagnosis of sporing from…
A: Spores are cellular structures produced by plants, bacteria, and fungi. Spores can be produced for a…
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: temperature and light source affect the number and type of colonies that can be found in the…
A: Microbes such as bacteria, fungi, viruses are grown at the earth's surface. The atmosphere provides…
Q: How is the correct way of incubating culture plate media? Explain why is that so.
A: After the way of life medium is set, and streaked with the necessary microbe/stock, the cover is put…
Q: Why is it necessary to perform a negative stain to visualize capsules?
A: Introduction: Negative staining: This uses an acidic stain. The results yield a clear cell with a…
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: Explain the reason for the effect on mass spectroscopy method of diagnosis by culture conditions.
A: Mass Spectrometry is an analytical method. It is used to quantify known materials to identify…
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: 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: Which step of the gram stain procedure is most critical?why?
A: Gram staining is one of the most common laboratories test to identify the different bacterial…
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: What are the favorable conditions for mold to grow?
A: The mold is the fungus that grows in the form of multicellular filaments called hyphae. The molds…
Q: Why is it necessary to perform a plate count in conjunction with the turbidimetry procedure?
A: Plate counting is one of the most fundamental techniques used in microbiology. It is used to…
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: List the step-by-step procedure of Gram staining.
A: Gram staining, established by Danish Microbiologist Hans Christian Gram in 1884, is by far the most…
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 nature of samples that should NOT be placed inside the drying-oven?
A: According to the question, we have to explain the nature of the samples that should not be placed…
Q: what is the function of each one of the Gram-stain reagents?
A: Gram staining is the technique used to classify the bacterial species into broad groups based on the…
Q: What is the best streaking technique in a culture media? Explain
A: In microbiology, there are five I's that symbolise five different procedures used in the laboratory…
Q: Why can't gram staining be used for mycobacterium?
A: Gram staining is one of the staining techniques. This is usually used for differentiating between…
Q: Since the dyes for the Gram stain are not specific to the bacteria theystain, what mistakes in the…
A: Gram staining is a technique used for staining the microbial samples. It was performed by the…
Q: what are the reagents for the four major steps of the gram stain procedure
A: Gram staining protocol is used to differentiate between Gram-positive and Gram-negative bacteria by…
Q: What are the advantanges and disadvantages of using stained preparations for observing microbial…
A: Characteristics of microbes are studied using a microscope by microbiologists. Some microbes like…
Q: What is the Fluorochrome staining technique for Mycobacterium
A: Mycobacterium - they are a type of germ. There are different kind of mycobacterium. Still others…
Q: Why is it necessary to cut thin sections of the tissue sample from a specimen using a microtome?
A: Microtomes are specialized cutting instruments that produce very thin slices of tissues so that the…
Q: Why sometimes specimen may show organisms under the microscope but not appear in the culture media?
A: Introduction We are surrounded by various pathogens such as bacteria, viruses, fungus etc. Bacteria…
Q: Why do petroleum-degrading bacteria need to attach to thesurface of oil droplets?
A: Petroleum is a crucial strategic resource and all countries compete fiercely for it. The…
Q: How to prepare an agar plate for bacteria? How to include the antibiotics into agar plates? How long…
A:
Q: What method can be used to achieve sterilization?
A: It is required to describe the method to be used to achieve sterilization.
Q: explain why you would expect to see similarities in the types of colonies on the fomite plates and…
A: Organisms that are too small to be seen by the naked eye are microorganisms. These organisms can be…
Q: What is this media? What type of media is it? Which type of organism can grow on this plate?…
A: Media is... Agar This is the solids type of Media. Organism type... Streak plate technique is used…
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: 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 the main advantage of using the slide culture technique for identifying molds?
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- 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 are the advantages and disadvantages of using the Wet Mount technique? What are the advantages and disadvantages of using the Hanging drop technique? What are the advantages and disadvantages of using the Slide Culture technique? pls elaborate each, thank youWhy is it necessary to cut thin sections of the tissue sample from a specimen using a microtome?
- What is the best streaking technique in a culture media? ExplainWhat is the goal of isolation streak plate technique? Why is microbial considered a pure culture?a) explain in your own words how to do a nitrate reduction test to identify unknown bacteria b) explain in your own words how to perform a phenol red broth (prb) test to help identify unknown bacteria
- Why does a streaking method used to inoculate plates result in isolated colonies?In the preparation of a bacterial smear, why is there a need to fix the bacteria to the slide? Aside from passing the slide over a flame, what are the other ways of fixing the bacteria to the slide?Why does a streaking method used to inoculate plates result in isolated colonies? (Explain systematically)
- Why sometimes specimen may show organisms under the microscope but not appear in the culture media?What is the difference between culture-based technique and culture-independent techniques based on the principle behind the method?what is the physical characteristics of this streak plate? Look at a single colony on a streak plate and look for special physical characteristics such as: motility, possible presence of endospores and/or capsule, culture color?