Which of the following bacterial A-B exotoxins is a protease that cleaves important animal cellular proteins for cell-to-cell signal transmission? Staph enterotoxin Salmonella endotoxin Tetanospasmin Cholera toxin Diphtheria toxin
Q: he association of endotoxin in gram-negative bacteria is due to the presence of......
A: Endotoxin is a sort of pyrogen that is found in Gram-negative bacteria like E. coli's outer cell…
Q: The chemical nature of endotoxins is that of a protein lipid polysaccharide nucleic acid
A: Endotoxin is a type of pyrogen that is found in Gram-negative bacteria's cell walls, such as E.…
Q: Here are four toxins: diphtheria toxin, cholera toxin, tetanus toxin, and exfoliative toxin. Choose…
A: Introduction A toxin is a poisonous substance or harmful substance produced within living cells or…
Q: example of gram negative bacteria
A:
Q: The pathogenic prokaryotes that cause cholera are Select one: O A. bacteria that release an exotoxin…
A: Prokaryotes are the unicellular microbes. They don't have well defined nucleus.
Q: Which of the following is taken up by M cells of the large intestine, escapes out the bottom of the…
A: Shigella: A bacillary dysentery, a disease provoking severe bloody and mucous diarrhea…
Q: Micro -endotoxin
A: Microendotoxin refers to pyrogen molecule (fever inducing agent) found in Gram negative bacteria.
Q: Why are polymyxins like Neosporin typically only used topically? they would cause too much harm to…
A: Neosporin is an antibiotic in nature that is used to prevent and treat skin infections. It contains…
Q: Many types of fruits and vegetables can be fermented into alcoholic beverages. Such was the case…
A: Contamination of the food can have serious effects for both consumers as well as for food…
Q: Does Mycobacterium tuberculosis produce an exotoxin or endotoxin Discuss how this affects the host.…
A: This question is based on the mycobacterium tuberculosis and the difference between endotoxin and…
Q: Staphylococcus aureus excretes a food poisoning toxin which, when ingested, produces nausea and…
A: Introduction: Streptococcus aureus has recognized as the most bacteria that cause disease in…
Q: obar pneumonia is caused by ___. virus of unknown origin any of a number of bacteria,…
A:
Q: Which of the following does NOT possess endotoxins ? O Coxiella burnetti O Neisseria meningitides O…
A: Bacteria produce different types of toxins like endotoxins and exotoxins .
Q: Which of the following common causes of healthcareassociated infections is an environmental organism…
A: The infections which people get when they are receiving health care for another condition are called…
Q: A major difference between exotoxins and endotoxins is that endotoxins are _____. View Available…
A: Toxins are the poisonous responses that are produced by the bacteria so that they can access the…
Q: Which of the following represents an organism that uses decomposition as its mode of nutrition?a.…
A: Answer is b.) saprotroph.
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: You can choose one or more than one option Prions are bacterial proteins. destroyed by…
A: Prions are the proteinaceous structure that may infect both animals and humans.
Q: What statement is not correct regarding endotoxins:
A: The endotoxins release the toxins only when the bacteria is killed, whereas, the exotoxins release…
Q: The most common symptoms of COVID-19 are listed below, except one of them is not a common symptom.…
A: Coronavirus disease ( also commonly known as COVID-19), is an infectious disease which is caused by…
Q: Which of the following is an endogenous pryrogen?(a) Bacterial exotoxin(b) Bacterial endotoxin(c)…
A: An agent which causes rise in temperature of the body upon entering is called a pyrogen. Thus…
Q: Exotoxins Endotoxins Chemical makeup General source Degree of toxicity Effects on cells Symptoms in…
A: Cells are affected by chemicals that confer toxic effects on them. The toxins can be classified as…
Q: The insecticidal compound BtK is a bacterium or bacterial product is an acronym of Bacillus…
A: Answer :- crosses peritrophic membrane of midgut and binds receptors.
Q: Helicobacter pylori is able to use urease to neutralize the stomach environment because the enzyme…
A: These are microbial urease found in stomach. As ureases they catalyze urea to produce ammonia and…
Q: The bacteria which causes syphilis is a spirochete which means it is shaped like ___.…
A: Treponema pallidum, the organism that causes syphilis, is a spirochete. Syphilis is an infectious…
Q: hich of the following microorganisms has not been linked to UTI’s? E. coli Pseudomonas…
A: A urinary tract infection (UTI) is a bacterial infection that affects the urinary tract. This sort…
Q: Which of the following apply to exotoxins Exotoxins require anaerobic environments to function…
A: All Answers Apply Exotoxin is secreted by bacteria and can cause damage to host by destroying it's…
Q: Which of the following is NOT true of bacterial exotoxins?
A: Answer :- Option (3) is correct. - None of the other four answers ( All are true of bacterial…
Q: Which of the following is true about exotoxins? they are part of the cell wall they cannot be…
A: Introduction Exotoxins are the toxins (basic proteins) that are secreted by bacteria to invade the…
Q: Exotoxins
A: Exotoxins can be the following EXCEPT: they are LPS/lipopolysacharride Correct option: 1st Reason:…
Q: Which of the following toxins are exotoxins None of the above Streptococcal pyrogenic toxin LPS of…
A: There are different types of diseases that affect the normal physiology of the body. The diseases…
Q: Stomach acid has a pH of approximately 1 which is very strong. This kills most microbes that reach…
A: Answer : Chemical is the right option.this is the chemical line of defence. Mechanical digestion…
Q: Which of the following is NOT a toxin that contributes to foodborne illnesses? A. Heavy metal…
A: Foodborne illness, food poisoning, or foodborne disease can be defined as the illness that results…
Q: Fill in the table below with the missing information. Use the recorded lectures as your guide.…
A: The exotoxin is the extracellular components of the cell that are excreted by the cells. The…
Q: Which of the following is NOT caused by a bacterial pathogen? a. Influenza b. Cholera c. Diphtheria…
A: A pathogen just needs a host to survive. Once within a host's body, the pathogen manages to dodge…
Q: Diseases such as poliomyelitis (polio) and acquired immunodeficiency syndrome (AIDS) are caused by a…
A: In this question we have to describe about infections and dangerous gas.
Q: Many infectious, pathogenic microorganisms can be carried and transferred by biting arthropods with…
A: Answer is (e) any of the above Infectious agents can enter by any of the mentioned method.
Q: A 23-year-old man develops explosive bloody diarrhea approximately 3 days after eating chicken that…
A: Diarrhea is characterized by the passage of watery or loose stool, at least three times a day. In…
Q: Which of the following is may cause more LPS to be released into the bloodstream when used for…
A: Microorganisms vary in their growth requirements in terms of temperature, pH, and need for certain…
Q: you have learned from the CDC website that there is currently cholera in the country to which you…
A: Cholera :- It is a bacterial disease causing severe diarrhoea and dehydration, usually spread by…
Q: Define the following terms
A: 1. Coagulase - Coagulase is an enzyme that is produced by staphylococcus bacteria. Coagulase help in…
Q: Bacteria that are obligate intracellular pathogens of humans are considered to be Autotrophs…
A: 1. Bacteria that are obligate intracellular pathogens of humans are considered to be…
Q: Which of the pathogen is mostly sensitive to detergents like soap EV71 Adenovirus Rabies virus…
A: Introduction :- A pathogen is an organism that causes disease in its host, with virulence referring…
Q: Humans can get anthrax disease by. . Contact with animals contamination fecal-oral route
A: Anthrax: Bacillus anthracis, a gram-positive rod-shaped bacteria, causes anthrax, a deadly…
Q: The Chine's letter arrangement of cell is a distinguishing feature for Listera sp. Clostridium sp.…
A: Introduction:- Chinese letter arrangements of cells is seen with corynebacterium species . It is…
Q: Which of the following is correct about aflatoxin? O 1) it is added to some ice creams and salad…
A: Option 2 is the answer. It is a poison produced by certain molds that can grow on corn.
Q: Which of the following statements about E. coli is true? Some infections can be fatal to humans. It…
A: Correct option A i.e some infection can be fatal to humans.
Q: An organism of the genus Staphylococcus is ________, while an organism of the genus Spirochaeta is…
A: Microorganisms are the small organism which cannot be seen by naked eyes. These includes bacteria,…
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- Define the following terms coagulase enterotoxins kinases necrotizing enzymes neurotoxin endotoxin exotoxinSome S. aureus stains have a number of virulence factors including O Lipase which convey resistance to lipids and staphlokinase which clots the blood. O Lipase which digests lipids and B-lactamase which breaks the matrix between cells. O coagulase which dissolves blood clots and staphlokinase which clots the blood. coagulase which clots the blood and B-lactamase which conveys resistance to penicillin. Question 26 A patient has an infection caused by a bacterial species that produces Deoxyribonucleases, M protein, Streptokinases, Streptolysin S, Exotoxin A, and Hyaluronidase. Which disease does this person have? O Shigellosis O Necrotizing fasciitis O Pertussis Rabies 12 MacBook Air ....Which of the following is NOT true of bacterial endotoxin? 1. None of the other four answers (All are true of bacterial endotoxin) 2. Can cause life-threatening drop in blood pressure (shock) 3. Composed of proteins produced by bacteria and released into surrounding environment 4. Composed of lipid A, a component of the gram-negative bacterial outer membrane 5. Stimulates macrophages to produce a substance (TNF) that damages capillaries
- Staphylococcus aureus excretes a food poisoning toxin which, when ingested, produces nausea and vomiting within 6 hours. Which term below is applicable to this toxin? Anaphylactic toxin & Mycotoxin Endotoxin & Myocotoxin O Exotoxin & Endotoxin Exotoxin & neurotoxin Enterotoxin & EndotoxinTrypanosoma in bloodstream in * human Trypomastigote Amastigote Promastigote Which of the following statements is incorrect about ectoparasite They are mainly arthropods They live on the outer surface of their hosts They live inside their hosts O Which of the following statements is * incorrect Tsetse fly transmits Trypanosoma cruzi Tsetse fly transmits Trypanosoma rhodesiense Tsetse fly transmits Trypanosoma gambienseWhich of the following is NOT true of bacterial exotoxins? Important in the pathogenesis of many human diseases Their toxic effect can be systemic, affecting cells distant from the primary site of infection None of the other four answers (All are true of bacterial exotoxins) Different exotoxins may affect different types of cells (e.g., nerves, gastrointestinal mucosa) Some exotoxins have two components, A (active) and B (binding)
- Which of the following contribute to a pathogen's invasiveness? endotoxins hyaluronidase F proteinMechanism of delta endotoxin action: proteolysis, binding of cry toxins to specific receptors in the midgut, formation of pores, bacteremiaThe chemical nature of endotoxins is that of a protein lipid polysaccharide nucleic acid
- Each of the following statements concerning Trichomonas vaginalis is correct EXCEPT: O Vaginalis causes bloody diarrhea. Vaginalis can be diagnosed by visualizing the trophozoite. Vaginalis is transmitted sexually. Vaginalis can be treated effectively with metronidazoleWhy are polymyxins like Neosporin typically only used topically? they would cause too much harm to the normal microbiota they are rapidly metabolized by the host they are toxic to the membrane of kidney and nerve cells they do not have a broad-spectrum of actionDisease transmitted by droplet contact will most likely enter the human host through what portal of entry? broken skin insect bite direct contact nose urethra