Q: List the most clinically significant pathogens in the genus Staphylococcus,and identify the species…
A: Staphylococci are Gram-positive cocci ranging with a diameter between 0.5 – 1.0 μm and tend to grow…
Q: better indicator of Salmonella
A: Salmonella species are intracellular pathogens which cause illness. Most infections are due to…
Q: Identify which biosafety level is required when working with the following microorganisms :…
A: Bacterial studies were crucial in the development of microbiology. The importance of bacteria to…
Q: Account for the ability of streptococci to tolerate O2 in the absenceof catalase activity
A: Bacteria are prokaryotic organisms that have an undefined nucleus and nuclear membrane. Most of the…
Q: What are the Carbapenem-Resistant Enterobacterales? Give examples of bacteria that are…
A: Enterobacterales Large order comprising of different types of bacteria that are the cause of…
Q: Explain the History of the Microbe E.Coli
A: Escherichia coli also called as E.coli are defined as rod-shaped, motile, gram negative and…
Q: Which of the following cause human food-borne illness: a. Lactobacillus acidophilus b. adding…
A: Microorganisms impact the lives of humans in various ways:- a) Microorganisms as friends- Several…
Q: Explain the difference between enterotoxigenic, enteroinvasive, enteropathogenic, and…
A: Enterotoxigenic E. Coli (ETEC) : is the name given to a group of E. Coli that produce special toxins…
Q: Explain how Vibrio cholerae causes cholera.
A: Vibrio cholerae is a species of flagellated bacteria that causes the disease cholera. Cholera is…
Q: Identify the microbe: A. GPC, Catalase (-), alpha hemolysis, P disk (R), Bile solubility (-), PYR…
A: The Microbes given are gram-positive bacteria. Various tests are performed to identify the…
Q: Show a diagram of beta-hemolysis and alpha-hemolysis by different bacteria on blood agar and explain…
A: Hemolysis is the process by which red blood cells in the blood are broken down by chemicals or by…
Q: Indicate some possible ways in which foods may become contaminatedwith enteric organisms.
A: Contamination is the state where the substance is no longer suitable for use. The contamination of…
Q: Salmonella typhi is a facultative anaerobe. Explain comprehensively.
A: The group Enterobacteriaceae includes the genus Salmonella, which consists of microorganisms linked…
Q: Why is Salmonella typhi a gram negative bacilli? Explain.
A: The crystal violet stain utilised in the Gram staining method of microbial classification is not…
Q: Briefly explain how urease helps Helicobacter pylori to evade the protective nature of the body.
A: Helicobacter pylori; is a bacterium which is responsible for many diseases and health in human…
Q: Explain the importance of carbepenem-resistantEnterobacteriaceae infections and identify the…
A: Carbapenem is the class of antibiotics that are used to treat bacterial infections. They are mainly…
Q: Why are coliforms better indicator of salmonella rather than E. coli?
A: It is considered that Salmonella is best detected by coliforms rather than E. coli. The reason is…
Q: How does the E. coli strain 026:H11 damage its victims?
A: The enterohaemorrhagic E. coli (EHEC) serotype O26 is the second most common enterohaemorrhagic E.…
Q: Which of the following conditions may occur in untreated Lymedisease?a. arthritis b. rash c. heart…
A: Lyme disease is developed via four different species of microorganisms. Borrelia mayonii and…
Q: How does one can differentiate E.coli from Bacillus subtilis
A: Answer is given below
Q: Name four different pathogenic groups of Escherichia coli.
A: Escherichia coli Bacteria normally leaves in the intestine of animals including Humans. Most of them…
Q: Define bacteriorhodopsin.
A: Proteins are one of the biomolecules made up of amino acid units. They are large and complex…
Q: What are THREE indications of a high coliform counts in a food product?
A: The coliform count is an indicator of hygiene and a high level of coliform generally depicts…
Q: Outline the mechanism of action of diphtherotoxin, botulinum toxin,tetanus toxin, choleragen, and…
A: Bacterial toxins are virulence factors that alter host cell functioning and seize control of…
Q: Relate the successful use of oral rehydration therapy to the pathogenesis of cholera.
A: The most essential microorganisms in a food processor are bacteria. Some bacteria are useful, but…
Q: What are unique features in the epidemiology of E. coli O157:H7(STEC)?
A: Features of E.coli 0157:H7 It grows in moderate temperature condition thus they are MESOPHILIC.…
Q: Four days after a patient has intestinal tract surgery they develop an abdominal infection caused by…
A: Four days after a patient has intestinal tract surgery they develop an abdominal infection caused by…
Q: Describe the kinds of infections for which E. coli is primarilyresponsible.
A: Escherichia coli (E. coli) is the gram-negative and coliform bacteria.
Q: Explain about Haemophilus influenzae ?
A: Haemophilus influenzae causes different types of bacterial infections.This bacteria may cause mild…
Q: What is the role of Bacteroides thetaiotaomicron in the human gut?
A: Bacteroides thetaiotaomicron is a gram-negative anaerobic bacteria. It is usually present in the…
Q: what are the selective media for Vibrio cholerae
A: A type of media which allows the growth of only specific microbes or the microbe of interest and…
Q: Infection by ingestion of contaminated soft cheeses, growth during refrigeration, potential growth…
A: The Listeriosis is caused by the microbe Listeria monocytogenes,this is caused bu contaminated…
Q: Justify the treatment of E. coli O157:H7 in a manner different than for other strains of the…
A: E coli O157:H7 causes a severe intestinal infection in humans. It is the most common strain to cause…
Q: Differentiate among the major enteric pathologies seen amongvarious strains of E. coli.
A: Escherichia coli is a coliform bacterium, that is part of the Enterobacteriaceae family. It is a…
Q: Identify the causative agent of staphylococcal food poisoning and explain the method for…
A: Food poisoning is the illness that occurs due to consumption of food that has lost its quality of…
Q: Give the genus and species of five bacteria in the family Enterobacteriaceae .
A: In the hierarchy of biological organisation, genus is the one which comes above species and below…
Q: Briefly describe the E. coli cold shock response.
A: Shock proteins comprise the primary line of protection for cells presented with unpleasant…
Q: Justify treating E. coli O157:H7 differently from other strains ofthe species.
A: E.coli (Escherichia coli), is a type of bacteria that normally lives in your intestines. It’s also…
Q: Relate the life cycle, pathogenesis, and control of Entamoeba histolyticato that of Balantidium…
A: A parasite is a life form that lives on or in a host living being and gets its food from its host.…
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: State the best known contribution of Leukart
A: Leuckart is recognized for his work in parasitology, especially research about tapeworm and…
State the significance of E. coli O157:H7.
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- Why is it important to seek early treatment for Lymedisease?EPKP O111: K58 is isolated from the feces of a sick child under 3 months of age with certain clinical manifestations in the bacteriological laboratory. 1. What diagnosis can be given to a child? 2.What method of microbiological diagnosis was used in this case? Describe its main stages. 3. Is it possible to use serodiagnosis to verification of coli-enteritis? What material is taken from the patient for this purpose and what is used: glass-agglutination test, direct agglutination test or IHAT?Explain in detail how E coli causes pyogenic liver abcess. Give symtoms.
- Food poisoning can be divided into two categories: food infection and food intoxication. On the basis of toxin production by bacteria, explain the difference between these two categories.Explain the difference between enterotoxigenic, enteroinvasive, enteropathogenic, and enterohemorrhagic strains of E. coli.Briefly describe the E. coli cold shock response.