Which of the following bacteria would be the most accurate indicatorof fecal contamination?a. Enterobacter aerogenes b. Thiobacillus acidophilus c. Escherichia coli d. Staphylococcus aureus

Q: Which of the following microbes produces a natural biopesticide?a. Penicillium chrysogenum b.…

A: Biological pesticides are otherwise known as biopesticides and refer to the unique type of pest…

Q: In addition to providing yogurt with its unique flavor and texture, lactic acid-producing bacteria…

A: Step 1 Lactic acid bacteria are a heterogeneous group of bacteria which plays a significant role in…

Q: If the concentration of E. coli in a broth is between 104 and 106 cells per mL, the best way…

A: E.coli are the type of bacteria that is known to cause many illness in humans. E.coli is cultured in…

Q: Drying is an effective antimicrobial strategy because:(a) It oxidizes cellular macromolecules(b) It…

A: Answer is b.) It limits the amount of water available to microbes.

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: If an acid-fast bacterium is detected in a clinical sample, thenthe organism could bea) Cryptococcus…

A: Answer- Those bacteria that resist the decolorization with acid alcohol because of the nature of…

Q: This pathogen and its spores are effected by radiation. A. Staphylococcus aureus B. Clostridium…

A: Microbes, which are tiny and nearly invisible, have had a huge influence on society since the…

Q: Microbe(s) that is/are the target(s) of pasteurization includea. Clostridium botulinum. b.…

A: Microorganisms as Enemies- Some microorganisms behave as pathogens and produce disease. They enter…

Q: Chloroquine and primaquine are the agents most widelyused to treat:(a) Malaria (d) Legionnaires’…

A: Malaria can be defined as the disease which is caused due to parasite. The parasite is transmitted…

Q: Choose the combination of answers that most accurately completes the statement. An important test…

A: Answer is c.)  production of oxidase.

Q: Most of the microbiota in the gut is healthy, however, this particular bacteria is associated with…

A: Introduction Metastasis Is The Spread Of A Pathogenic Agent From An Initial Or Main Site Inside The…

Q: Microbe(s) that is/are the target(s) of pasteurization include(s)a. Clostridium botulinum b.…

A: A microorganism is a microscopic organism, which may exist in its single-celled form or in a colony…

Q: Which of the following bacteria is associated with gastric and duodenal ulcers? Select one: a.…

A: Bacteria are prokaryotic microorganisms that are both pathogenic and form normal flora of the human…

Q: Which of the following statements about botulism is true?a) It is caused by Bacillus botulinum, an…

A: Any organism capable of causing a disease or an infection is called a pathogen. There are many…

Q: commercial sterilization is designed to provide enough heat to destroy the endospores of what…

A: It refers to any process that removes , kills or deactivates all forms of life particularly…

Q: Botulism is cause by an: a)Rickettsia b)Aneorobic spore forming bacteria c)Gram negative…

A: Botulism is not common  but a serious disease. Botulism can be transmitted through contaminated…

Q: Identify the microorganism/ group of microorganisms involved in the spoilage of the following food:…

A: Spoilage of food products causes great harm to the manufacturer and also to the people consuming it…

Q: Which bacterium does not have gelatinase enzymes O A. Staphylococcus aureus B. Bacillus subtilis O…

A: Gelatin hydrolysis test is used to identify the bacteria which can digest or degrade the gelatin by…

Q: Which of the following species of microbe is associated withbeing a good indicator of fecal…

A: The correct answer is (e) Salmonella typhi

Q: Choose the combination of answers that most accurately completes the statement. Which of the…

A: The pyogenic bacteria are responsible for pus formation in their host. The pus is a fluid that is…

Q: Explain why the large intestine contains many microbes and thebeneficial effects of these microbes.

A: Microorganism: These are too small organism which is impossible to see by naked eyes. They exist in…

Q: A person in England arrives at a medical clinic with a fever and swollen lymph nodes shortly after…

A: The Gram negative bacterium, Yersinia pestis, is the causative agent of bubonic plague. Bubonic…

Q: a) Anoxic sludge digestion is a secondary waste water treatment; what are the major microbial…

A: Waste water management includes two major steps : Primary treatment and Secondary treatment. In…

Q: Which of the following is NOT a recommended method for preventing cross-contamination? A. Washing…

A: Cross contamination  Cross contamination is physical transfer or movement of pathogens from one…

Q: What microbe, found in the feces of normal humans, can survive freezing but cause disease in a human…

A: Salmonella enterica, bongori, and typhi are bacteria found in animals as well as in human beings to…

Q: Bacteria that thrive in puncture wounds are likely to be (a) aerobes (b) photoautotrophs (c)…

A: Aerobes are the organisms that live and reproduce only in the presence of free…

Q: The catalase test is used to primarily differentiate Staphylococi from _____________.     A.…

A: The enzyme, catalase, is produced in the bacteria that respire using oxygen. The main role of the…

Q: (Match the phrases from column (A) with phrases in column (B) Anima SASP Axial Asbestos Proteins…

A: The individual form of life is called as the organism. Every organisms consist of some specific…

Q: A) A short paragraph on the habitat of the organism. B) A short paragraph on the special…

A: A) Pseudomonas aeruginosa is commonly found in soil, water & vegetations. It is also found as a…

Q: what term best describes swabbing the skin with alcohol? a.bacteriostasis b. degerming c.…

A: Swabbing the skin with alcohol is knows as degerming - a process in which we physically remove the…

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: As you can see on the blood agar plates, some microbes can lyse red blood cells releasing nutrients…

A: Virulence is described as ability of organism to infect the host and cause a disease in humans. Many…

Q: Farmers often spray spores of which bacterial species that make a protein toxic only to some insect…

A: As we know that through genetic engineering it is possible to develop crops that are resistance to…

Q: Chlorinating swimming pools is an example of______________ to control microbial populations. A.…

A: Disinfection of swimming pool means killing all the pathogenic microorganism species in the pool…

Q: On what basis were both Shigella and Salmonella eliminated aspossible causes of the outbreak…

A: Shigella and Salmonella are pathogens that cause gastroenteropathy in humans. They are two genera…

Q: The coagulase test is used primarily to differentiate Staphylococcusaureus froma. other…

A: Bacteria are microscopic single-celled prokaryotes that thrive in diverse environmental conditions.…

Q: Your patient has postinfectious glomerulonephritis, as its name implies, follows an acute infection…

A: Introduction Glomerulonephritis is an inflammation of the kidney's small filters (glomeruli). The…

Q: Microorganisms are used in the production of a wide variety of fermented products. a) Using an…

A: Microbes are essential components of human life. They are a great role in our day-to-day activities.

Q: Most cases of food intoxication are caused bya. Salmonella enteritidis b. Staphylococcus aureus   c.…

A: Bacteria are the single celled organisms that are diverse in the environments. Bacterial infections…

Q: Match the microorganisms in column A with their corresponding product in column B, then match your…

A: A B C 1.     B. subtilis H.    Amylase I.               Primary metabolite 2.…

Q: A) A short paragraph on the habitat of the organism. B) A short paragraph on the special…

A: Staphylococcus Epidermidis belongs to the genus staphylococcus and is a gram-positive and…

Q: used for

A: These are used as starter cultures. These are commercially important bacteria.

Q: Every year, supposedly safe municipal water supplies causeoutbreaks of enteric illness.a. How in the…

A: Water pathogens enter the water sources by faecal contamination. When the infected person or animal…

Q: All of the following bacteria cause food poisoning EXCEPT: a. Staphylococcus aureus b. Treponema…

A: Food poisoning is an illness caused by eating contaminated food and bacteria are known to cause most…

Q: Which of the following treatments of sewage involves the use of anaerobic bacteria? A. Primary…

A: Sludge digester is a biological process where organic substances are decomposed and finally stable.

Microbial Isolation

Isolation of the microorganisms in microbiology is the process of developing a pure culture by separating one species of microbe from a mixture of many other species. A pure culture is a culture that contains only one species of microbe.