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A: A growth medium or culture medium is the solid, liquid, or semi-solid, which is designed to support…
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A: MSA or Mannitol Salt Agar is a differential and selective medium that encourages the growth of some…
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A: The methyl red (MR) test detects whether bacteria can ferment the glucose or not. It detects the…
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A: Presumptive tests are cheaper than the confirmatory test. These tests are conducted to ensure the…
Q: What is the purpose of the crystal violet, bile salts, and neural red in MacConkey Agar media?
A: MacConkey Agar or MAC is a culture medium. It is a selective and differential medium designed for…
Q: why is it that psychrotrophs placed in TSA medium are incubated at 7oC?
A: Psychrophiles are organisms that can survive and reproduce in low temperatures as low as -20 degrees…
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A: Amanita phalloides is a most poisonous mushroom. Every part of mushroom is highly poisonous and…
Q: What growth factor is often supplied for cultivation of fastidious bacterial pathogens?
A: A fastidious organism requires specific nutrients for growth. In microbiology, the culture medium…
Q: What is the differential agent in EMB medium? a. lactose b. glucose c. phenol red
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A: Korarchaeum cryptofilum is a species that belongs to the phylum Korarchaeota, or Xenarchaeota of the…
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A: Selective media contains those nutritional factors which will provide the growth of only desired…
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Q: hat are the components of a carbon-free broth or minimum medium for Bacillus subtillus ? An example…
A: Nutrient media is used for the growth of different microorganisms in laboratory.
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A: Agar is a polysaccharide created from two essential additives. Agarose and agaropectin. Agarose is…
Q: According to the hemolysis results, how does Bacillus cereus differ from B. subtilis?
A: Given: To find how does Bacillus cereus differ from B. subtilis.
Q: why macconkey agar and mannitol salt are regard as salective and deffrental medium?
A: A culture medium is just water and nutrients that support microbic growth. Primary culture media for…
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A: Candida is a yeast genus that is responsible for the majority of fungal infections globally.…
Q: What is the mechanism by which enterococci are able to grow in high salt conditions?
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Q: what is the cause of different species of psychrotrophic bacteria growing in the CTSA medium at 7…
A: They can grow at extreme low temperatures and lead to spoilage of food by modifying the compounds…
Q: Media is TGA explaining based on what kind of microorganisms it allows to grow?
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A:
Q: what is the media of culturing salmonella typhi?
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Q: What method of bacterial measurement does this graph represent? Is it considered direct, or…
A: Here Bacterial growth is measured in terms of absorbance so, bacterial growth is measured with the…
Q: Why are the streak plates incubated at 7°C when selecting for psychrotrophic bacteria?
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Q: Which common hospital pathogen is able to grow abundantly in soap dishes?
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Q: What culture medium can be used for the acclimatization of Bacillus and Pseudimonas to degrade…
A: Answer: CULTURE MEDIA = These are the selective and differential media which are used to grow…
Q: Can simply observing the colonies formed on agar plates and the results of a few biochemical tests…
A: These are biochemical test is to perform to identify different type of bacteria.
Q: How does Pseudomonas aerogenosa contribute to the virulance of the pathogen?
A: Pseudomonas aeruginosa is a bacterium which is liable for serious infectious diseases, chronic…
Q: How might Campylobacter contamination of food productionanimals be controlled?
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Q: List three reasons Bacillus spp. are of practical importance
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Q: Motile spiroplasmas cannot contain a normal bacterialflagellum; why?
A: Flagella helps in movement of the bacteria, motility.
Q: Why is it important to distinguish between E.coli & E. Aerogenws in contaminated water samples?
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Q: Which chemical was the least effective for inhibiting the growth of S. aureus? Of P. aeruginosa?
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Q: How Bacillus thurengiensis is used commercially?
A: Bacillus thurengiensis is a soil bacterium. It produces crystal protein(cry protein).…
Q: How is the medium (Mitis Salvarius agar) selective?
A: Mitis Salviarius agar is used to differentiate among species of Streptococcus and the very close…
Q: how is gram staining useful in differentiating neisseria meningitidis, streptococcus pneumoniae, and…
A: Hi, Thanks For Your Question. Answer : Gram staining helps in differentiation of various bacteria…
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A: Vibrio bacteria are comma shaped(Curved rod shaped)bacteria; which shows mobility because of the…
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Q: Why does Propionigenium modestum require sodium for growth?
A: Propionigenium modestum grows from the fermentation of succinate to propionate and CO2.
Is Bacillus cereus negative or positive for growing in high salt concentrations?
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- Do you think Rickettsia rickettsii can grow on blood agar? Explain.What culture medium can be used for the acclimatization of Bacillus and Pseudimonas to degrade phenol? It must be a nutrient-poor growing medium.Describe the appearance of an S. agalactiae colony grown on blood agar. Describe how that colony would differ in appearance from a colony of S. pyogenes.
- Why are the streak plates incubated at 7°C when selecting for psychrotrophic bacteria?Gardnerella vaginalis is a gram variable rod. What type of media should be used when culturing for it? Describe the appearance of the colonies.why macconkey agar and mannitol salt are regard as salective and deffrental medium?
- What are the components of a carbon-free broth or minimum medium for Bacillus subtillus ? An example for broth without carbon to use for B.subtillus.Explain why the media where the Staphylococcus aureus is plated has turned yellow but the media where Staphyloccocus epidermidis plated is still pink? The media used would be the Mannitol Salt Agar Medium.why is it important that a small amount of inoculum be used in preparation of an agar slant?
- 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?Colonies have grown in a nutrient agar plate. However, it did not grow along the lines of streaking. Is this normal? If not, what could be the problem?What growth factor is often supplied for cultivation of fastidious bacterial pathogens?