Helicobacter pylori survives in the acidic environment of the human stomach, but this organism is actually a neutrophile. How is this possible?
Q: Why is it incorrect to say that bacteria produce toxins to harm their host?
A: When a bacterium invades a host cell it may produce a toxin. Toxins are strong elements that are…
Q: Why must the antitoxin be administered in the earliest phases of botulism?
A: BOTULISMBotulism is a disease condition caused by the bacteria Clostridium botulinum. It is an…
Q: Which of the following contribute to a pathogen's invasiveness? endotoxins hyaluronidase F…
A: The disease causing organism is called a pathogen. The ability to cause disease is called…
Q: What makes the Amanita phalloides toxins so harmful that even one cap can kill an adult?
A: Amanita phalloides is a most poisonous mushroom. Every part of mushroom is highly poisonous and…
Q: What is bacteremia? Is it dangerous for humans?
A: Bacterimia is a bacterial infection that spreads to the bloodstream. It can be serious as it can…
Q: List three species of Betaproteobacteria that are known to behuman pathogens.
A: Introduction Proteobacteria is the separate phylum of gram negative bacteria which contain purple…
Q: What is the virulence factor of Mycobacterium tuberculosis
A: Virulence factors are specific molecules of pathogenic organisms that cause the invasion against the…
Q: What is the relationship between the superantigens of S. aureus and the organism’s production of…
A: Staphylococcus aureus is a round-shaped, Gram-positive bacterium. It causes a range of illnesses. It…
Q: Helicobacter is able to survive the acidic conditions of thestomach by producing which enzyme?(a)…
A: Stomach has a highly acidic environment. Helicobacter pylori secretes urease enzymes. Urease…
Q: What is the principle of the coagulase test result? How does coagulase contribute to the virulence…
A: Coagulase test is used to detect whether the microbes present in media produce coagulase or not.
Q: Why might members of Campylobacter not be isolated from a stoolspecimen in a diagnostic laboratory?
A: Efficient Detection of pathogenic organisms ensures the success of laboratory techniques. It is…
Q: In the name Mycobacterium tuberculosis, what are the genusname, specific epithet, and species name…
A: Tuberculosis is brought about by a sort of bacterium called Mycobacterium tuberculosis. It's spread…
Q: Mutant strains of Helicobacter pylori that lack the ability to produce urease fail to cause…
A: Peptic ulcer disease (PUD) could be a lesion of the membrane layer within the stomach or duodenum…
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: Why are gram-positive bacteria typically more resistant than gram-negative bacteria to…
A: Bacteria are found everywhere. They can survive almost every where including bottom of oceans, our…
Q: What are the essential environmental requirements for cultivatingCampylobacter?
A: Campylobacter is a genus that includes gram-negative bacteria. The shape of these bacteria is…
Q: Why do gram-positive bacteria not produce endotoxins?
A: ExotoxinsThey are proteineous substances that are produced within the bacterium as a byproduct of…
Q: What kills Haemophilus influenzae?
A: Haemophilus influenzae is gram-negative bacteria and cause infection in respiratory tract. This…
Q: Why is it only necessary to include the exotoxin (in toxoid form) in vaccines for tetanus and…
A: Exotoxin are the toxins produced by bacteria without cell lysis these toxin causes disease in the…
Q: According to the hemolysis results, how does Bacillus cereus differ from B. subtilis?
A: Given: To find how does Bacillus cereus differ from B. subtilis.
Q: Which of the letter labeled microbes is exhibiting alpha-hemolysis?
A: The lysis or breakdown of red blood cells is called hemolysis. There are three types of hemolysis…
Q: What would be the best type of vaccine for cholera?
A: The vaccine constitutes killed whole-cell V. cholerae O1 in coordination with a recombinant…
Q: Injectable products must be endotoxin-free. true or false?
A: Endotoxin is a type of pyrogen and is component of the exterior cell wall of Gram negative bacteria…
Q: List some of the chemical substances that have been identified in bacterial capsules. What…
A: Microbiology is the branch of science that deals with the study of microorganisms that are too small…
Q: What was the common treatment for cholera beginning in the 1830s? Why was this not useful in large…
A: We know that, Cholera is a disease caused by the bacteria Vibrio cholerae and it occurs through…
Q: Why are most pathogens mesophilic?
A: The mesophilic bacteria include the group that grows at moderate temperature i.e. 20 C to 45 C. The…
Q: Using this flow chart, a species that is alpha-hemolytic and catalase-negative is…
A: In this question, we are given a dichotomous key for identification of bacteria on the basis of the…
Q: Which organism(s) would likely be classified as a neutrophile?
A: pH is defined as the negative logarithm of hydrogen ions. It is the figure that represents whether…
Q: What is a reasonable treatment for an E. coli infection
A: Interferons are used against viruses, so they are widely used for the treatment of chronic viral…
Q: What is the species of beta proteobacteria that causes rat-bite fever?
A: Rat-bite fever is an acute human illness that is caused by bacteria and transmitted by rodents. It…
Q: What makes bacterial diseases such as Clostridium botulinum, Clostridium perfringens & Clostridium…
A: 1.Clostridium botulinum is an anaerobic, rod-shaped spore forming bacterium that produces a protein…
Q: Different strains of Streptococcus pyogenes have different virulence factors, giving these microbes…
A: Streptococcus pyogenes is the leading cause of uncomplicated bacterial pharyngitis and tonsillitis…
Q: Within a 3-day period at a large hospital, five patients undergoing hemodialysis developed fever and…
A: Given that there were 5 patients undergoing hemodialysis who developed fever and chills. 3 different…
Q: If the bacterium in question during the perlo outbreak had beenE. coli instead of S. aureus, how…
A: The perlo outbreak was caused by Staphylococcus aureus that causes food intoxication and had led to…
Q: Klebsiella Pneumoniae produces a capsule: How does klebsiella pneumonia contribute to the virulence…
A: Studies have recognised three factors that may mediate virulence: cell wall receptors, capsular…
Q: How can we experimentally prove that enterotoxin (A-B cholera toxin) is the sole cause of clinical…
A: Several microorganisms produce and secrete protein exotoxins that are either chromosomally encoded…
Q: Is Catalase is a virulence factor?
A: Catalase is a compound which is present in the liver that separates harmful hydrogen peroxide into…
Q: Why might you expect a small dose of puromycin to be less effective in repressing bacterial growth…
A: Introduction: Bacteria are little single-celled organisms. These microbes are discovered wherever on…
Q: clostridium botulinum is a bacterium usually present in soil that may cause botulism. Briefly…
A: Clostridium botulinum is an organism that produces the botulinum toxin. It causes the disease…
Q: Of what benefit is the organism Oxalobacter to human health?
A: Bacteria are microscopic single-celled prokaryotes that thrive in diverse environmental conditions.…
Q: Given that there is currently no cure for mad cow disease, what is likely to be the most effective…
A: Mad cow disease or bovine spongiform encephalopathy (BSE) is a contagious neurodegenerative disease…
Q: Why would a psychrophile not be a human pathogen?
A: Microbes are classified according to the temperature range at which they can grow. The development…
Q: Bacteria living in the colon have what type of 'relationship' with their human host?
A: Answer: A parasitic relationship is one in which one organism, the parasite, lives off of another…
Q: What are the reasons that triggers enuresis ?
A: Bedwetting is another name for enuresis. The most prevalent type of elimination issue is nocturnal…
Helicobacter pylori survives in the acidic environment of the human stomach, but this organism is actually a neutrophile. How is this possible?
Trending now
This is a popular solution!
Step by step
Solved in 2 steps
- What is the species of beta proteobacteria that causes rat-bite fever?Klebsiella Pneumoniae produces a capsule: How does klebsiella pneumonia contribute to the virulence of the pathogen?While it is true that not all coliforms are pathogenic under normal conditions, please name two situations that can occur due to infection by pathogenic strains.
- Briefly explain how urease helps Helicobacter pylori to evade the protective nature of the body.What virulence factor, present in Streptococcuspneumoniae but absent from Salmonella enterica, makesS. pneumoniae so highly virulent for mice?Helicobacter is able to survive the acidic conditions of thestomach by producing which enzyme?(a) β-galactosidase (d) Amylase(b) Coagulase (e) Urease(c) Lactase