Q: what is the definition of Packed bed reactor (PBR)?
A: Introduction: The chemical industry is extremely vital to economies all over the world, as it is…
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: explain the toxic effects of mycotoxins on living organisms?
A: Mycotoxins are the poisonous compounds that are produced by certain fungal species. These fungi when…
Q: What group of microorganisms is responsible for producing fermented beverages? What microorganism…
A: Fermentation is defined as the metabolic process in which yeasts, bacteria, or other microbes are…
Q: Explain the purpose of thiosulfate in the medium.
A: Culture media is used to enrich the number of bacterial growth, to select certain bacteria and…
Q: thermophilic
A: Pepper is a spice that is used extensively all around the world. Pepper is known as the 'King of…
Q: What nutrients do the following media components contain? • Peptone Yeast extract Beef extract •…
A: Since you have asked multiple questions, we will solve the first question for you. If you want any…
Q: Organism 1 Organism 2
A:
Q: Why should you be careful not to underheat a smear during the heat-fixingprocess?
A: The bacterial strain are so small that it cannot be visualized by naked eyes. It has to be observed…
Q: Provide a photograph of an autoclave with labels. Discuss briefly how autoclaving control microbial…
A: In a particular environment, the growth of a population of microbes refers to microbial growth. In…
Q: _____ kills pathogens and some spoilage organisms but does not sterilize substances. Tyndallization…
A: Sterilization refers to any process that removes, kills, or deactivates all forms of life, in…
Q: How to culture the media of L. bulgaricus and S. thermophiles properly by using aseptic technique?
A: For the culture of L. bulgaricus and S. thermophiles RCA (Reinforced clostridial) agar and ST…
Q: The following are microbial products. Beside each product, identify the microorganisms producing it…
A: PENCILLIN-Pencillium notatum In 1928,Alexander Fleming noticed that the chance contamination of a…
Q: Select one: a. continuous, batch, fermenter b. batch, continuous, chemostat c. batch, continuous,…
A: Microbial fermentation can be carried out as either a once off ----------------- culture or…
Q: What metabolic process creates the rotten-egg smell characteristic of many anaerobic environments?
A: Hydrogen sulfide gas has the chemical formula H2S and possesses a characteristic rotten eggs smell.…
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: micro-organisms are the most resistant to heat sterilization?
A: Most of the bacteria cannot survive adverse heat condition. But somehow particular bacteria can…
Q: Why heat can kill microorganisms?
A: * Microorganisms are the organism that can seen only through using microscope.They consists of…
Q: Besides better aeration and mixing properties, what other advantages do stirred tank bioreactors…
A: A bioreactor is a man-made device specially designed for supporting biologically active environment.…
Q: Is H2S a substrate or a product of the sulfate-reducing bacteria?Of the chemolithotrophic sulfur…
A: Chemolithotrophs use electron benefactors oxidized in the cell, and channel electrons into…
Q: How can a life cycle of microorganism and heat resistance graph be used to determine the boiling…
A: Heat is one of the effective as well oldest physical methods that have been employed for microbial…
Q: Explain the following application of kefir. I) As food preservatives
A: Kefir is the fermented milk drink . It is similar to the thin yogurt drink. It is also prepared by…
Q: Where does the liquid water go after separation? Define “aerobic”, “anaerobic” and “anoxic.” How…
A: First step of waste water treatment is screening where large objects are removed from the waste…
Q: What is the PH indicator utilized for fermentation media? ( short answer)
A: Answer: FERMENTATION : It is the metabolic process in which chemical changes occur in an organic…
Q: James inoculated a species of bacteria into KIA media and realized that it has a yellow butt and a…
A: The correct Option of the answer for the question is Option A:-lactose fermenter The yellow slant…
Q: Why only specific microbes are selected to produce the fermented products?
A: Fermentation refers to “partial oxidation” of sugars by microbes using the organic molecule to…
Q: Bacillus megaterium has a high thermal death point and a long thermal death time, but it is not…
A: The bacteria is the unicellular prokaryotic organism that maintains a definite shape since it…
Q: Define the following terms: a. obligate anaerobe b. aerotolerant anaerobe c. facultative anaerobe d.…
A: The organisms can be classified on the basis of their mode of respiration as aerobic, anaerobic,…
Q: Why do you think autoclave sterilization of media is preferred over open flame?
A: An autoclave is used to sterilize surgical equipment, laboratory instruments, media and other…
Q: The following are microbial products. Beside each product, identify the microorganisms producing it…
A: Answers of first three parts of a multipart question will be given. 1. MSG stands for monosodium…
Q: Why are cans of food put into a steam retort?
A: Certain foods are preserved by a technique called canning in which they food are placed in air-tight…
Q: Identify the oxidizing agent in the following REDOX reaction? CI2 + NaBr --> NaCI + Br2 A) NaCI…
A: A redox reaction can be defined as a chemical reaction in which electrons are transferred between…
Q: How is insulin produced in the Stirred tank bioreactor?
A: Insulin enzyme is produced by the pancreas and it help us in maintaining blood glucose level.insulin…
Q: For what the stirred tank bioreactors have been designed?
A: Bioreactors are generally used for microbial fermentation processes. It has a headspace volume and…
Q: What is the importance of fermentation to microbial metabolism? Please include citation.
A: Microbial metabolism refers to how a microorganism receives the energy and nutrients (such as…
Q: Provide the conditions (e.g., intrinsic properties, storage conditions, etc.) that will make the…
A: Conditions essential for recovery of microorganisms from the sterile foods.
Q: What is the point of the pressure in the autoclave sterilization?
A: Autoclaves are the devices which are like pressure cookers and used in laboratories that provide a…
Q: In an autoclave, how are temperatures above boiling achieved? (Answer in not more than 2 sentences)
A: The air in the autoclave chamber is removed and replaced by the increasing amount of steam trapped…
Q: Why are anaerobic microbes important for making food?
A: they are the organism that does not require oxygen for their metabolic activity in anaerobic…
Q: Why is hydrogen sulfide production monitored during fermentation? Why is this end product…
A: Fermentation is a metabolic process that involves the breakdown of chemical substances by yeasts,…
Q: Why do you need to use antifoams in fermentation medium? How you could avoid from contamination…
A: Fermentation is a biochemical process that involves chemical changes in organic substrates, such as…
Q: What are several microbial targets of pasteurization?
A: In the living world, we see a large number of microorganisms, animals and plants. These organisms…
Q: Why is the temperature of pasteurization at 60°C?
A: Pasteurization was invented by a French Scientist called Louis Pasteur. It was first used in 1864.…
Q: Name at least one reason that we might want to use a Winogradsky column rather than a laboratory…
A: The Winogradsky column can be used to study various levels of growth that is aerobic or anaerobic…
Q: Microbial products can be classified as three major categories. With the use of sketch, briefly…
A: Microorganism growth is a very complicated process that culminates in an increase in the number of…
Q: Why is chlorination, although beneficial in terms of bacterial pathogen control, of environmental…
A: Chlorination is a disinfection procedure in which microorganisms are killed by the use of chlorine…
Why bacterium Thermus thermophilus is used ?
Thermus thermophilus is a Gram-negative bacterium used in a range of biotechnological applications, including as a model organism for genetic manipulation, structural genomics,
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- Is alcoholic fermentation carried out under aerobic or anaerobic conditions? Explain.1(a)What is a psychrotroph? (b)From what natural sources would you isolate a thermophile? A psychrophile? (C)How does temperature affect the growth of a microorganism? (D)State the temperature class for Escherichia coli, Bacillus sp, Aeromonas sp, Micrococcus luteus, and suggest their optimum growth temperature. 2 (a)Why is dilution important when determining microbe number? (B)How does a decrease in dye colour intensity affect the microbe ? (C)State the possible sources of error if plate counts and colour intensity of dilutions are incorrect or Precautions taken to prevent this from happening. ( this is not a graded assignment)What type of media components cannot be sterilized in an autoclave?
- Why do boiled and unboiled potato extracts differ in their action on hydrogen peroxide? Explain in 1-3 sentencesWhat is solid state fermentation? What are its advantages over other fermentation systems such as submerged fermentation? Explain the production of rifamycin using SSF.Explain the following application of kefir. I) As food preservatives
- What metabolic process creates the rotten-egg smell characteristic of many anaerobic environments?What is the key difference between reactions that result in the final product of fermentation to form lactic acid or alcohol? What significance do these differences have in terms of microbial technology?Aside from Paraffin, what is your recommended infiltrating medium for routine purposes? why?