Q: Which is a better indicator for Salmonella - coliforms or E. coli?
A: Introduction: Salmonella typhi is a genus of rod-shaped bacteria that is responsible for typhoid.…
Q: Which antimicrobics would be suitable for the control of the following organisms?S. aureus:E.…
A: Bacteria are single-celled and very small organisms. They found in water, human gut, soil, air,…
Q: How can one distinguish E. coli from P.aeruginosa on nutrient agar? blood agar? EMB agar? What is…
A: Psuedomonas aeroginosa iscan aerobic organism that is motile, gram negative , rod shaped bacteria…
Q: Which of the following is a characteristic of fecal coliforms? Question 10 options: A)…
A: The presence of fecal coliform bacteria indicates that the water has been contaminated by human…
Q: While working with Mannitol Salt Agar you notice the growth of staphylococci however other…
A: Mannitol Salt Agar (MSA) is a media which has high concentration of salt solution. There are found…
Q: Why are meats prime vehicles for pathogenic E. coli? How cancontaminated meat be rendered safe to…
A: E.coli is a gram-negative bacteria. It is a facultative anaerobe. Has a rod shaped structure and…
Q: while working with mannitol salt agar you notice the growth of staphylococci however other…
A: Mannitol Salt Agar is used as a selective and differential medium for the identification and…
Q: What is Pasteurization?
A: Since you have asked multiple questions, we will solve the first question for you. If you want any…
Q: what type of bacteria would be used to make sauerkraut?
A: Sauerkraut is product of cutting raw cabbage that fermented by various lactic acid bacteria. The…
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: Describe how each of the following would appear when grown on EMB agar: a. Escherichia coli b.…
A: EMB stands for Eosin Methylene Blue. This media is used as a seletive stain for the gram negative…
Q: Which of the following media are selective, differential, and test for lactose fermenters? What is…
A: MacConkey plates are selective , differential and test for lactose fermenters.
Q: What is the primary cause of Amoebiasis? Select one: O a. Giardia lamblia O b. Entamoeba histolytica…
A: Introduction Protozoa are the single-celled animals. They are found in most of the habitats. Most…
Q: What is bacterial agar?
A: MICROBIAL GROWTH MEDIA- It is the culture media that serves as a nutrient media for the growth of a…
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.
Q: How does one can differentiate E.coli from Bacillus subtilis
A: Answer is given below
Q: How does pasteurization affect the number of bacteria present in milk?
A: Pasteurization: It is a process which involves heating liquids at high temperature for a particular…
Q: What are the terms used for the conditions that influence bacterial growth on food? Explain each…
A: The conditions necessary for bacteria growth on food are often acronym together as FATTOM. It stands…
Q: Which lactose (+), Gram negative, short rod forms a pink to brick red colony on MacConkey's agar and…
A: Bacteria that cannot retain the crystal violet stain as their cell envelopes are composed of…
Q: why is it important that a small amount of inoculum be used in preparation of an agar slant
A: Agar is a jellylike substance derived from the purified cell walls of red algae. It is added to…
Q: In which food would you find lactic acid bacteria? Mention some of their useful applications.
A: Microorganisms are the major components of biological system on earth. They are present everywhere,…
Q: Using the chart attached, determine a single characteristic that would allow you to distinguish…
A: As a member of the Enterobacteriaceae family, Salmonella is known for its capacity to metabolise…
Q: How do microorganisms in a chemostat differ frommicroorganisms in a batch culture?
A: Microbial culture refers to breeding or growing of microorganisms in laboratory-controlled…
Q: what type of bacteria may cause spoilage in coconut water that has been in the fridge for more than…
A: Coconut Water Coconut water (CW) is a slightly sweet liquid made from the endosperm of coconuts.…
Q: What information can obtain from observing the growth of bacteria on liquid agar?
A: Liquid agar is a liquid media mixed with agar which when heated solidifies and then is used as a…
Q: How might Salmonella contamination of food productionanimals be contained?
A: Enterobacteriaceae or enteric bacteria is a group of gram-negative bacteria that resides in the…
Q: If an esculinase-postive and an esculinase-negative bacteria species can both grow on the Bile…
A: Bile Esculin Agar It is defined as the type of selective differential agar that's used to isolate…
Q: Explain how bacteria can become resistant to ampicillin. Be sure to mention the following terms:…
A: Antibiotic is an anti-microbial substances which kill or restrict microbial growth. Their…
Q: How is dairy put in an application in microbiology and its involved microorganism?
A: Dairy is nothing but the Cows milk which plays a significant role in mammal growth.Milk obtained…
Q: If there is growth and a color change in the Mannitol Salt Plate, which microorganism is it most…
A: Mannitol Salt Agar is high in nutrition because it contains beef extract and proteose peptone, which…
Q: test a efficient test for a unkown intestinal bacteria.
A: Starch hydrolysis test is a testing method which is used to identify bacteria that can hydrolyze…
Q: The nitrites part of the dipstick test is mainly looking for which family of bacteriaE…
A: Kidneys are the organs belong to excretory system in our body and play a major role in several other…
Q: How will you differentiate between Rhizopus, Mucor, and Aspergillus in the Microbiology laboratory?
A: Fungi are non- photosynthetic unicellular or multicellular structure . It comprises of :- 1)…
Q: Why can milk become sour due to bacteria even though it has been pasteurized?
A: Pasteurization is the process in which non-packaged and packaged foods such as fruit juice, milk, or…
Q: How would you interpret the following result of the Bile Esculin Test: "Growth of the bacteria is…
A: Bile esculin test contains media in which bile and esculin is used for finding the bacteria who can…
Q: In the Mannitol Salt Agar, why is there no observed growth of Escherichia coli?
A: In microbiology, mannitol salt agar is a typical growth media. It promotes the development of one…
Q: Based on the growth you saw on your Lee’s Agar plate, what conclusions can you make about the…
A: Lee Agar is used to study the bacteria that can grow on yogurt. It is primarily used to count the…
Q: Which of the following test will be useful for initial distinction between Salmonella and…
A: Microbiology is the branch of biology that studies microorganisms. In microbiology, different…
Q: What selective agents are added to media to preferentially grow enterobacteria for study? What type…
A: Gram-staining is a procedure of staining than can be used to differentiate between bacterial species…
Q: How Bacillus thurengiensis is used commercially?
A: Bacillus thurengiensis is a soil bacterium. It produces crystal protein(cry protein).…
Q: Draw two tubes showing how you have inoculated microorganisms in urease and in nutrient agar
A: Inoculation is the transfer of the bacteria on the nutrient medium to show its growth. The tools…
Q: please explain Bacillus cereus and its shape, arrangemnet, why indole test, starch hydrolysis test,…
A: The infection caused by B. cereus is usually self-limiting and does not require treatment. The…
Q: Why do we grow the bacteria in minimal media when testing for citrate utilization
A: Minimal media are those that provide the minimal nutrients possible for colony development, usually…
Q: Give the components, properties and special considerations in preparation (if there's any) on the…
A: MacConkey Agar . It is selective for gram- negative rods bacteria. EMB . It is selective for fecal…
Q: Why does Bacillus subtilis break down phenol better even at high concentrations than E. coli and…
A: Phenol is distributed either as natural or artificial mono-aromatic compounds in various…
Q: What is "BHI" agar and what is it used for? What is "Sabouraud Dextrose" agar and what is it used…
A: There are various types of growth media are used for cultivating cells ranging from prokaryotic to…
Q: Certain endospore-forming bacteria are a particular concern of the canned food industry. Name one of…
A: Some bacteria can survive adverse environmental conditions such as extreme temperature differences…
Q: on the thioglycolate tube where would you expect to see growth of facultative anaerobes
A: A facultative anaerobe is an organism which can survive in the presence of oxygen but can also…
Q: What are the disadvantage(s) of using vinegar in cheese production?
A: In dairy meals, acid serves a variety of purposes. Acids have an important function in preserving…
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- How Bacillus thurengiensis is used commercially?Using online sources, record the results for the slant and butt of the Kligler's Iron Agar tube for shigella spphow does increasing the incubation temperature at which a plate containing psychrotrophic bacteria might influence the quantitative dilution and plating of the smaple?
- How would a Gram stain distinguish this organism from Neisseria meningitidis?Explain the significance of the Snyder agar medium and its differential nature as a means to detect dental caries.Using the Table above as a guide, indicating what media could be used to differentiate the organisms in each pair. S. epidermidis vs. S. saprophyticus staph.jpg A. SIM B. MacConkey C. blood agar D. urease