Q: Which of the following is an organism involved in nitrification? Nitrosomonas Clostridium…
A: According to the question, we have to find out which of the following is an organism involved in…
Q: Is the plasmodium falciparum a facultative anaerobe? If not, what would it be?
A: Plasmodium falciparum is a protozoan parasite, that is the causative agent of the most severe form…
Q: What remedies can be suggested to deal with poor air quality from pig farming?
A: Pig farming is one of the major commercial activities in the food business. Poor odors, emitted from…
Q: compare the mechanisms of microbial death by dry and moist heat. give 3 factors that would affect…
A: Sterilization is characterized by any process that removes, eliminates, deactivates or kills all…
Q: Kindly fill in the data table attached below. Microorganism: Entamoeba histolytica If gram…
A: Introduction Entamoeba histolytica is a microscopic, unicellular, eukaryotic parasite. They comes…
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: Discuss why microorganism presents in the nature environment has a longer lag phase and shorter…
A: The microorganisms present in the environment are continually replicating and utilizing the…
Q: Account for the fact that boiling does not destroy botulism spores but does inactivate botulinum…
A: ADVENT OF BOTULISM: A lethal bacteria 'Clostridium botulinum' secretes a toxin through food…
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: Explain whether the MacConkey agar plate inoculated with good water would show the presence of…
A: Water contamination is the presence of unwelcome particles in the water. Water bodies may become…
Q: Discuss the result of sunflowers rhizofiltration of the pond near Chernobyl.
A: Rhizofiltration is a type of absorption on or in to the roots of contaminants. These contaminants…
Q: Determine the amount of dehydrated medium needed to prepare 50 nutrient agar plates. Include amount…
A: Nutrient Agar is a general purpose, nutrient medium used for the cultivation of microbes supporting…
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: 1.) what is gram reaction of Schistosoma mansoni? 2.) what is the oxygen requirement for…
A: Schistosoma mansoni is a waterborne parasite of human causing intestinal Schistosomiasis. During the…
Q: what practical importance are air-borne microorganisms to the laboratory workers? What precautions…
A: Air is the carrier of many microbes. These microbes that are suspended in air particles are called…
Q: Explain why surfactant chemicals are more effective against gramnegativebacteria than against…
A: Microorganisms are small organism that cannot be seen by naked eyes. They include bacteria, fungi,…
Q: 1. (Only answer for Bile Esculin) How is the media selective? How is the media differential?
A: Bile Esculin agar is a media that consists of bile and esculin (a glycosidic coumarin derivative) as…
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: For which diseases can one not rely upon chlorination of water as a method of control? Explain why…
A: Thyroid disease has been practically eliminated by using the chlorination of water. The treatment of…
Q: Explain why sulfa drugs prevent bacterial growth without harming the human host.
A: Antimicrobial drugs are those which destroy or inhibit the growth of microorganism. They have their…
Q: Differentiate between psychrophile and psychrotroph.
A: Different microorganisms require an optimal range of temperature conditions to survive and thrive.…
Q: Media Why do we use it Selective for: Differential for: МАС EMB MSA
A: Hello. Since your question has multiple sub-parts, we will solve first three sub-parts for you. If…
Q: what are psychrotolerant bacteria and examples of it.
A: Psychrotolerant bacteria Psychrotolerant bacteria, or those that can grow at temperatures below…
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…
Q: Define differential media and selective media.
A: A growth medium or culture medium can be defined as the solid, liquid, or semi-solid substance…
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: Identify the microorganism/ group of microorganisms involved in the spoilage of Salmon pink…
A: Fermentation is a metabolic interaction that produces chemical changes in natural substrates through…
Q: Describe the industrial fermentation process of Cephalosporin by including the type of fermentation…
A: Antibiotics are produced in the bioreactors. The isolation of the product depends on the quantity…
Q: Sweet sorghum juice is used as sole carbon source for ethanol production by Saccharomyces…
A: There are several processes that are used for sterilization procedures in the field of bioprocessing…
Q: Name the secondary pollutant.
A: Pollution is introduction of any substance which causes undesirable disturbances in the environment/…
Q: A student is preparing a batch of broth media. He dispenses into tubes,but realizes he is running…
A: According to the question, A student is preparing a batch of broth media. He dispenses into tubes…
Q: what are these bacteria growing on BA and Maconkey agar
A: Blood agar or BA is an enriched culture medium having multiple nutrients. Blood agar is generally…
Q: Example of psychrotrophic bacteria includes:
A: Psychrotrophic bacteria are those bacteria which can grows at 7°C although their optimal growth…
Q: Identify the microorganism/ group of microorganisms involved in the spoilage of Canned curdled…
A: Evaporated milk Evaporated milk known as unsweetened Condensed milk and it is a shelf-stable canned…
Q: What is the optimum growth temperature for most human pathogens? Explain.
A: Bacterial growth is the division of one bacterium into two daughter cells in a process called binary…
Q: how are microorganisms are involved in the production of lagers? include the process of…
A: Lager is a kind of beer which has been blended and molded at low temperature. Lagers can be pale,…
Q: Name any two gases produced during secondary treatment of Sewage?
A: Wastewater treatment involves removal of harmful contaminants from the wastewater or sewage water…
Q: Compare and contrast the utilization of H2S by apurple phototrophic bacterium and by a colorless…
A: Photosynthesis includes light-dependent and light-independent phases.
Q: Explain the effect that environmental factors exert on the growth and development of an algal batch…
A: The growth and development of algae is controlled by various environmental factors. This includes,…
Q: 1. Differentiate between defined and undefined culture media. 2. Define alpha, beta, and…
A: The culture medium is a solid, semi-solid or liquid substrate that is rich in nutrients and other…
Q: Assume you are the lead industrial microbiologist in a company that produces cholesterol-lowering…
A: For fungi cultivation, Potato Dextrose Agar is used. Potato Dextrose Agar is a yeast and mould…
Q: Discuss the unique capacity of the Deinococci to tolerate desiccation and high doses of radiation
A: Answer: Introduction: Deinococcus radiodurans is a high temperature and radiation resistant…
Q: Changes observed during the three days period after the initial growth of molds in bread appeared?
A: Mold growths, or colonies, can start to grow on a damp surface within 24 to 48 hours. They reproduce…
Q: Describe the appearance of coliforms on Levine EMB agar.
A: Coliform bacteria are found in a diverse range of places like waste products of animals, water…
Q: Define the meaning of Surface sterilization of explants Surface sterilization of explants
A: Plant tissue culture is very helpful technique in which plants are grown in in vitro condition and…
Q: Would you expect to find the same typesof microorganisms associated with black smokerand carbonate…
A: Microorganisms can be defined as the microbes that are microscopic organisms and present in the…
Discuss the result of sunflowers rhizofiltration of the pond near Chernobyl.
Step by step
Solved in 2 steps
- What remedies can be suggested to deal with poor air quality from pig farming?Name 2 indirect methods for measuring microbial growth and describe how each is performed. a. i. Advantage: ii. Disadvantage: b. i. Advantage: ii. Disadvantage:Do all microorganisms present in milk develop on the tryptone glucose yeast extract agar (TYGA)? Explain your answer.
- Requires oxygen at a lower concentration than typically found in air. Question 3 options: a) Obligate aerobe b) Facultative anaerobe c) microaerophile d) None of the aboveSpores and toxin-producing microorganism produce toxins need higher Aw than minimum Aw for microbial growth. How could food industry benefit from this fact?Out of the 5 possible oxygen requirements (Obligate aerobes, microaerophiles- is E. coli, Pseudomonas aeruginosa, and Clostridium sporogenes? sketch below (or describe well with words), what growth would look like for each species in FTM tubes.
- What 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) 2.0ANSWER IN ATLEAST 3-4 PARAGRAPHS Discuss the result of sunflowers rhizofiltration of the pond near Chernobyl.what practical importance are air-borne microorganisms to the laboratory workers? What precautions should be taken to control laboratory contaminants?
- Why does a precipitate form on Sierra’s medium when inoculated with a lipolytic organism? Discuss the principle behind this procedure.Of what practical importance are air borne microorganisms to the laboratory workers? What precautions should be taken to control laboratory contaminants? Of what advantage is the using a solid and a liquid medium?Discuss the unique capacity of the Deinococci to tolerate desiccation and high doses of radiation