hat 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
Q: How is this medium (the Mitis Salivarius medium) differential? What components make it a…
A: A growth medium or culture medium is the solid, liquid, or semi-solid, which is designed to support…
Q: Klebsiella pneumoniae, a gram negative, lactose-fermenting, non-motile bacilli once plated in…
A: Bacteria are ubiquitous Prokaryotic microbes that are classified on basis of gram staining,…
Q: Streptococci/Enterococci Name of Organism: Enterococcus durans Type of Medium Blood Agar Color…
A: It is fairly easy to differentiate between Streptococci and Enterococci, both the type of bacteria…
Q: Why is mannitol salt agar (MSA) considered both a selective and differential agar for staphylococci?
A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…
Q: Does a positive presumptive test mean that the water is absolutely unsafe to drink? Explain. 2.…
A: Presumptive tests are cheaper than the confirmatory test. These tests are conducted to ensure the…
Q: earch for the following bacteria and complete the table below. Bacterium Stain Description or…
A: Flavobacterium capsulatum when stained with capsule stain shows a Pericellular Halo around the cell…
Q: What is the differential agent in EMB medium? a. lactose b. glucose c. phenol red
A: There are different media available for the growth of microorganisms: Basal media, enriched media,…
Q: Which of the following tests can be used to distinguish between group D streptococcus and other…
A: Group D is the classification of streptococcus bacteria. These are gram positive bacteria, have…
Q: What will the appearance of Escherichia coli be on MacConkey Agar red and Eosin Methylene Blue (EMB)…
A: UTIs are commonly caused by uropathogenic E.coli. Extraintestinal infections such as meningitis and…
Q: How would a limited food supply affect the bacterial growth curve? The lag phase would be longer…
A: Bacterial growth curve is the number of living cells plotted against time. It has four phases, these…
Q: What is the principle of the coagulase test result? How does coagulase contribute to the virulence…
A: Coagulase test is used to detect whether the microbes present in media produce coagulase or not.
Q: What is the Key Gross Morphology Characteristics on different Primary Plating Media for Enterococcus…
A: Various agar medium are used for plating in order to grow different gram positive and gram negative…
Q: TRUE OF FALSE: Is E coli colonies would be pink mucoid in Eosin Methylene Blue Agar (EMBA)? Is…
A: EMBA or Eosin Y methylene Blue Agar is used for the identification of Gram-negative bacterial…
Q: Drinking water supplies are routinely tested for the presence of? Giardia Cryptosporidium Fecal…
A: Giardia and Cryptosporidium species are very typical gastrointestinal parasites affecting the health…
Q: Explain why the media where the Staphylococcus aureus is plated has turned yellow but the media…
A: Mannitol Salt Agar (MSA) is a differential and selective medium. A member of the staphylococcus…
Q: why is microalgae spirulina is most commonly used to reduce air pollution?
A: Pollution is the presence of harmful substances in the environment. These harmful substances are…
Q: Which of the following would be present in highest numbers in the indigenous microflora of the skin?…
A: Indigenous microflora Our skin contains various microorganisms such as bacteria fungi which are not…
Q: Given: Enterobacteriaceae, Vibrionaceae, Pasteurellaceae and other organisms such as…
A: The bacteria can be first group as gram negative or positive by gram staining
Q: A Lactobacillus casei population of 4x105 multiplies without lag phase to 3.68x107 in 6 h without…
A: Generation time is the amount of time taken for the cells to undergo one cycle of division. It is…
Q: Arcanobacterium haemolyticum may cause pharyngitis or cutaneous infections. It grows as a tiny…
A:
Q: Describe result for gram reaction of staphylococcus capitis
A: Staphylococcus capitis is a CoNS (Coagulase-negative species) of the genus, Staphylococcus. It has…
Q: Is Bacillus cereus negative or positive for growing in high salt concentrations?
A: Bacillus cereus is a gram-positive, endospore forming, non-capsulated bacillus, motile with…
Q: What are the components of a carbon-free broth or minimum medium for E.coli ? An example for broth…
A: To find: The components of carbon free broth for E.coli. Example for broth. E .coli is a gram…
Q: TSA plates of microorganisms grown at 30°C or 37°C In words, describe the differences you see for…
A: Tryptic soy agar (TSA) contains pancreatic digests of casein and peptic digests of soybean meal,…
Q: For the following methods of bacterial enumeration does the method determine total count or viable…
A: MPN (i.e. Most probable number), microscopic count , standard plate count, turbidity is type of…
Q: If the generation time of Bacillus cereus is 28 minutes, how many cells of B. cereus will there be…
A: Bacteria grow in varied environmental conditions. Low temperature, presence of acids, bases, toxins,…
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: Is your presumptive Staphylococcus a potential pathogen? • Deoxyribonuclease (DNase) agar • What…
A: Staphylococcus bacteria belongs to the family of Staphylococcaceae. It is a Gram-positive bacteria…
Q: What is the arrangment of the bacteria seen in this microscopic slide? O staphylobacilli O…
A: Bacteria are tiny cells with a single cell. Bacteria are found almost everywhere on Earth and are…
Q: What is the independent variable? What is the dependent variable? Suggest a control for this…
A: Generally, lactic acid bacteria (LAB) are the ones you should be looking at for milk-based…
Q: Which of the following would suggest your stock culture is contaminated? Gram stain indicates…
A: A contaminated culture has had contaminants introduced into it. Contaminants are unwanted microbes…
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: If a broth tube is inoculated with 1,500 cells which immediately enter exponential growth, how long…
A: Here bacteria has entered exponential growth curve.... Formulation is - N=N°e^kt Where N is final…
Q: Actinomyces are pleomorphic gram positive rods that are facultative anaerobes that require carbon…
A: The free-living cells that have the ability to get their food from symbiosis or photosynthesis can…
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: What are the shape, arrangement and gram staining use of the following? Staphylococcus aureus…
A: The bacterial morphology and Gram staining is very much important to study a particular type of…
Q: Does Staphylococcus Epidermides produce hydrogen sulfide gas
A: Staphylococcus epidermides is a bacteria that belong to the staphylococcus genus. It is most…
Q: What are the components of a carbon-free broth or minimum medium for Pseudomonas putida ? An example…
A: The most common growth media, although specialized media are sometimes required for microorganism…
Q: List three reasons Bacillus spp. are of practical importance
A: Bacillus subtilis is a type of aerobic and Gram-positive bacteria which has been widely used in many…
Q: Why is it important to distinguish between E.coli & E. Aerogenws in contaminated water samples?
A: E.coli is a rod-shaped, gram -ve, facultatively anaerobic, coliform bacterial species that is…
Q: What is the motivation behind the use of stab slant and surface inoculation
A: Agar slants are prepared by adding the agar media to the test tube and allowing it to cool in a…
Q: Which is the odd one out ? For the rest, explain the concept/process/technique they are involved…
A: Introduction Bacteria are single-celled organisms with a small size. Bacteria can be found…
Q: What are some Important facts about staphylococcus capitis? Why are they significant?
A: Staphylococcus capitis is anaerobic, Gram-positive, spherical bacterium of the Staphylococcaceae…
Q: hich of the following can produce inactive endospore-like bodies that are infectious to human…
A: Introduction Chlamydia is a Gram-negative bacteria genus that are obligate intracellular parasites.…
Q: Streptococcus pneumoniae the causative agent of Lobar Pneumonia is a gram positive streptococci that…
A: Streptococcus pneumoniae is a gram-positive, facultative anaerobic bacterium that comes in 100…
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…
Q: what is the thermal death time? what is the thermal death time for Bacillus subtilis and…
A:
Q: Bacteria can increase in their number by binary fission into two daughter cells. The rate of…
A: The bacterial growth curve is divided into the four-phase the lag phase, the log phase or…
Q: Which of the following is true regarding pathogenic strains of Staphylococcus and Streptococcus,…
A: Staphylococcus are gram-positive cocci that grow in clumps whereas streptococci are also gram…
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- What are the components of a carbon-free broth or minimum medium for Pseudomonas putida ? An example for broth without carbon to use for P.putidaWhat is a generally minimum pH for growth and toxin production by Clostridium botulinum and other foodborne pathogens?a) 8.5 b) 7.0 c) 6.5 d) 4.5 e) 2.0How might Campylobacter contamination of food productionanimals be controlled?
- What are the components of a carbon-free broth or minimum medium for E.coli ? An example for broth without carbon to use for E.coli.Is Bacillus cereus negative or positive for growing in high salt concentrations?How is this medium (the Mitis Salivarius medium) differential? What components make it a differential medium and how?
- What aare Agrobacterium tumefaciens ? why they are used ?what is the thermal death time? what is the thermal death time for Bacillus subtilis and Staphylococcus aureus at 100 degrees celcius?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.