What growth condition would you use to study a psychrotolerant pathogen that contaminates cheese and yogurt?

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: 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: Microorganisms are often grouped according to their optimum growth temperatures. Which groups are…

A: Bacteria spoil refrigerated foods.

Q: Why and How is brick weathe resistant?

A: Bricks likewise score high corresponding to the climate, as they are made from natural materials…

Q: What methods are similar in bringing fungal and bacterial specimens from a particular body site?Note…

A: Sample collection from body sites is an important step in the diagnosis, treatment, and…

Q: What bacteria is growing on this nutrient agar?

A: Microorganisms require nutrients for life, development, and reproduction, which are provided by…

Q: Could you explain the difference ( and possibly show the difference) between a growth on Agar slants…

A: Growth of cultures in slants and broth can provide us with useful information regarding their…

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: 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: In order to isolate fungal culture from patients’ sample in the lab, a growth media specialized for…

A: A culture media is a medium composed of a wide range of nutrients that play a vital role in 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: 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: Agar is extracted froma) Fungib) Bacteriac) Algaed) Virus

A: Agarose and agaropectin are known to combine together to form agar. This jelling substance naturally…

Q: Which of the following is not a characteristic of the Enterobacteriaceae? Group of answer choices…

A: Enterobacterium is a family of gram negative bacterium, facultative anaerobe, non spore forming…

Q: Of what value is the plant pathogen Agrobacterium?

A: A plant pathogen is an organism that infects plants. While certain plant infections can affect…

Q: el antibiotic. Describe two variations in (a) culture substrate and (b) culture conditions you might…

A: introduction Actinomycetes are Gram-positive filamentous bacteria with fungal morphology. they're…

Q: What media should you use to cultivate the following microorganisms:   E.coli Haemophilus sp.…

A: Most microbiological experiments require culture media in order to acquire pure cultures, develop…

Q: The reason why it is critical to cease Tempeh fermentation prior to the sporulation of molds is…

A: A fermented soy food known as Tempeh is made from soy beans that have been fermented. It is a…

Q: What is the laboratory's policy in decontaminating the plates? Since the growth of H. pylori was…

A: Routine decontamination of lab countertops or paintings areas needs to occur frequently. Lab benches…

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: Can a spoilage microorganism cause foodborne illnesses? Why or why not?

A: Illness caused by food contaminated with bacteria, viruses, parasites or toxins are called food…

Q: How can you use the characteristics of L.monocytogenes to produce a growth medium that is both…

A: Listeria monocytogenes is a Gram-positive, facultative intracellular bacteria that can cause human…

Q: what are psychrotolerant bacteria and examples of it.

A: Psychrotolerant bacteria Psychrotolerant bacteria, or those that can grow at temperatures below…

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: Name a non biodegradable pesticide.

A: Non biodegradable indicates the property of a substance which cant be decompose either by bacteria,…

Q: Write a paragraph describing the colonies of: A) Clostridium perfringes B) Clostridium tetani C)…

A: The bacteria belonging to the genus Clostridium are Gram-positive anaerobic rods. these need to be…

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: Why are Sterilization, Antisepsis and disinfection necessary?

A: Sterilization is the process of killing or deactivating all forms of microorganisms and spores.…

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: 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: Which of these microbial structures is the most difficult to kill when attempting to sterilize…

A: Answer of the question given below...

Q: A patient suspected to have a UTI infection had a metallic green growth on EMB agar and also had…

A: The correct option for the answer is Option B E.coli The positive test on Blood agar suggested that…

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: Make an accurate colored of what you observed on the mannitol salt agar plate.

A: Mannitol salt agar or MSA is a commonly used selective and differential growth medium in…

Q: Describe characteristics of Streptococcus Agalactiae in the Agar: (How does colonies look like…

A: Streptococcus agalactiae is a Gram-positive, cocci-shaped bacteria that typically form chains. It is…

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: How might Campylobacter contamination of food productionanimals be controlled?

A: Campylobacter infection is caused by Campylobacter bacteria. It is the most common bacterial cause…

Q: Use of streak plate technique to isolate and purify psychrotrophic spoilage-causing bacteria

A: There are billions of bacteria in the human body that make up the natural flora to resist the…