Q: Is staphylococcus epidermidis a halophile?
A: Bacteria grows when they meet the certain requirement like- chemical, physical conditions in their…
Q: Why is it important for the commercial canning process to destroy the endospores of Clostridium…
A: An endospore is basically a dormant, tough and non-reproductive structure produced by some bacteria.
Q: Phenyl Ethyl Alcohol agar encourages the growth of what type of microorganisms?
A: Answer - Option A - Gram positive bacteria
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…
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 purpose of the mashing step in beer-making?
A: Beer is an alcoholic beverage. The production of beer involves the following steps : malting,…
Q: Can you tell IF the pasteurization process is working in this milk producing plant? How can you…
A: Pasteurization is a process in which milk or milk product is heated to a certain temperature for a…
Q: How does pasteurization help us in our everyday life even before it was discovered?
A: As recently as the nineteenth century, humans risked serious illness or even death by drinking…
Q: What is Pasteurization?
A: Since you have asked multiple questions, we will solve the first question for you. If you want any…
Q: If the steps involving yeast inoculation are not done in vinegar, what would happen to the process?…
A: Fermentation is an anaerobic process which uses enzymes to cause chemical changes in organic…
Q: Why is heat an effective sterilizing agent?
A: Heat Energy : It is a form of energy which takes place by the movement of the minute particles…
Q: What are the microbes used in fermentation of products?
A: Food products contain many types of microbes transmitted either through the soil, plants, animals,…
Q: Why is the time of exposure and temperature required for sterilization greater for dry heat than for…
A: Any technique that removes, destroys, or deactivates all forms of life and other biological agents…
Q: State four reasons why barley is terminated in beer brewing process.
A: Beer brewing: The process of production of beer by steeping a starch source in water,…
Q: Why is it important to determine the number of mesophilic spores in a food ingredient?
A: Sometimes spore forming mesophilic bacteria found in food ingradient, mainly in dairy product. It…
Q: What bacteria grow on both a MacConkey agar plate and Mannitol Salt agar?
A: Selective media The media is a kind of growth media which only allow the growth of a perticular…
Q: What is differential medium and differential media? Explain the difference ?
A: Difference between differential medumium - .- A differential medium support the expansion of any…
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: Does pasteurisation effectively kill all the miroorganisms in milk? If not, why is it used?
A: Pasteurisation includes warming fluids at high temperatures for short measures of time.…
Q: Why do you think it is important to end the tempeh fermentation before the molds sporulate?
A: Tempeh is a traditional dish of he Indonesian people. Tempeh is prepared by fermenting of soybeans…
Q: Give a microbial species or microbial group that could be involved in the following: Alcohol…
A: Microorganisms are life forms that are excessively little to be seen without utilizing a magnifying…
Q: What is the principle behind sterilizing media before use and before disposal
A: Microorganisms may be beneficial or harmful. The harmful microorganism causes many infections which…
Q: If the inoculation of yeast during the process of vinegar making are not done, can we still produce…
A: Vinegar is nothing but acetic acid which is present in aqueous state. This can be used as flavouring…
Q: How does the extremely high resistance of bacterial endospores influence sterilization practices,…
A: Endospore refers to a nonreproductive, dormant composition generated by some kind of bacteria. It…
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 are the primary purposes of pasteurization, and what isultrapasteurization?
A: The method of killing the pathogenic microorganisms such as viruses, bacteria, spores, and fungi is…
Q: Which common hospital pathogen is able to grow abundantly in soap dishes?
A: The most common type of the prokaryotes is bacteria. They are found in every existing environment on…
Q: What are the criteria for media selection and the basic requirements for media formulation for…
A: Fermentation is a metabolic process that produces chemical changes in organic substrates through the…
Q: What is the temperature for pasteurisation?
A: There are several methods to preserve food products and beverages or to increase their shelf life,…
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 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 is the mold Penicillium economically important?
A: Step 1 Penicillium is a blue or green mold which is a common saprotroph of cold environments growing…
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: Write the limitations of sterilization by Dry heat?
A: The dry heat sterilization technique includes the removal or killing the microorganism and require…
Q: What are the health effects of mould and air spores?
A: Mould belongs to phylum fungi. It produces spores. It grows in conditions like darkness and…
Q: Why is it easier for microorganisms to grown on plastic surface rather than wood?
A: Answer- Wood does have natural antibacterial properties. The organism of bacterium like- Ideonell…
Q: What is the morphology and optimum growing conditions of Thermophilic Molds?
A: These are multicellular filamentous fungi.They have thallus which lack true root ,leaves and stem.…
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…
Q: What are the different types of Pasteurization?
A: Pasteurization is the process of heat processing the liquid (mainly milk) or food so that the…
Q: What is a starter culture and what is its purpose? What are the characteristics of a good starter…
A: STARTER CULTURE:- Starter culture are those microorganisms that are used in the production of…
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…
What is the primary reason that wine is pasteurized?
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- What are the disadvantage(s) of using vinegar in cheese production?What are several microbial targets of pasteurization?Which of the following is often added to wine to inhibit growth of the natural microbial populations on grapes?a) Benzoic acid b) Lactic acid c) Carbon dioxided) Sulfur dioxide e) Oxygen
- Why is it important for the commercial canning process to destroy the endospores of Clostridium botulinum?All the following are listed in the same media classification except: a) Complex b) Supportive c) Enriched d) Selective e) DifferentialWhy does the fermentation process produce solutions of only 10 - 15% ethanol?
- Which concentration of alcohol is the most effective germicide?a) 100% b) 75% c) 50%d) 25% e) 5%The principle and What type pf Media of the following Conkey Agar vii) MacConkey Broth viii) TSA Base for Blood and chocolate Agar ix) Mannitol Salt Agar x) Tryptic Soy Agar xi) Alkaline peptone water What is the principle of Growth Medium and Culture medium?What is the point of the pressure in the autoclave sterilization?