30. What is the function of bacterial caps ule? a. Production of organism from phagocyiosis b. Helps in adherence of bacteria to surface.in its environment c. Both a and b d. None of these

Q: Explain why a good, healthy growth of bacteria in broth can clear, as if by magic, and all the…

A: The cycle of infection is a model that describes how the host-pathogen interactions change during…

Q: The number of microbes needed to cause illness in the host A. the disease threshold B. Minimum…

A: Disease threshold refers to the condition of the disease after which there is requirement for proper…

Q: 1. Eosinophils are extremely toxic to both the parasite and the host, therefore they are controlled…

A: Disclaimer: Since you have asked multiple questions, we will solve the first question for you. If…

Q: Escherichia coli displays which antigens?a. capsular b. somatic c. flagellar d. all of these

A: E.coli is a type of bacteria that is mostly found in the human intestine and gut of some animals. It…

Q: A(n) _______ organism is part of the normal microbial flora of the host    A. Acquired  B.…

A: The microorganisms are responsible for development of particular disease. But not all microorganisms…

Q: Penicillin is effective antibiotic prevents making peptidoglycan so we cannot use it when the caus…

A: Antibiotics are the medicines derived from weak strains of bacteria to kill virulent strains of…

Q: Why are encapsolated bacteria generally more pathogenic than un-capsolated strains. a. Because…

A: The capsule is a layer of polysaccharide found outside the cell envelope of bacteria.  Capsule gives…

Q: Write a short introduction about the significance of the study entitled "extract of anethum…

A: Staphylococcus aureus: Staphylococcus aureus is a type of bacteria commonly found on the skin and in…

Q: The most abundant component ofplasma is .a. wasteb. oxygenc. proteinsd. water

A: Blood is a fluid connective tissue, which contains fluid called “plasma,” in which the cells of…

Q: Which factors would promote progression of an infection? Select all that apply. a. low microbial…

A: Answer- Infection is the invasion and division of microorgnisms in the body which lead to medical…

Q: N. meningitidis counters the body’s defenses with a. IgA protease. b. a capsule. c. endospore…

A: Neisseria meningitidis is a Gram-negative and non-endospore-forming bacterial strain. It is a…

Q: 22. The urease test is used to help identify members of speci of its ability to catalyze urea…

A: Urease test  *This is the test is used to differentiate organisms based on their ability to…

Q: Endotoxin is:

A: Endotoxins are heat stable toxins secreted by certain species of bacteria upon lysis. These toxins…

Q: . Which body system uses an acidic environment to limit the number of microorganisms in it?   A.…

A: Digestive system : it is system of our body which helps in the process of digestion .  Parts of…

Q: 1. Viral infection is most often diagnosed by a. microscopy b. biochemical test C. signs and systems…

A: A virus is an organism that causes many infectious diseases in humans and other animals. These…

Q: A 19 year old male presents with a fever, body aches, and loss of appetite.  He has a large…

A: A parasitic infection is an infection caused by a parasitic organism, such as a protozoan, helminth,…

Q: Where on your body đo microbes Iive? O A. On your skin O B. In your gut O C. In your mouth O D. All…

A: Microbes are small living beings present all over the place including soil, water and air. They are…

Q: Bacteria that causes cholera are Select one: O a. Spirochete O b. Spirilla O c. Vibrios O d. Cocci

A: There are large number of bacteria which cause disease in human;

Q: A bacterium which normally lives in the human body without causing any harm, but when circumstances…

A: Many type of bacteria are present throughout the world some bacteria are beneficial to human and…

Q: infections are usually a sign that the host is immunocompromised. a. zoonotic b. viral x Oc. fungal…

A: Immunocompromised individuals are more susceptible to infections than those with healthy immune…

Q: 29. What term best describes a fly that picks up Salmonella from dog feces and transfers it to a…

A: In biology, vector refers to certain molecules or living organisms that transfer viruses, bacteria,…

Q: A product that contains benzovindiflupyr and azoxystrobin will kill which microorganism? O A.…

A: The kingdom in biology can be outlined as the system that is utilized by biologists for the…

Q: Escherichia coli displays which antigens? a. capsular c. fl agellar b. somatic d. all of these

A: Bacteria is a type of prokaryote that can be found on the Earth's surface. While some are dangerous…

Q: Which statement is true about anthrax? O It is common in gastrointestinal infections O It is caused…

A: The world is made up of deadly pathogens and microorganisms. This pathogen causes harmful diseases.…

Q: The LPS layer in gram-negative cell walls releases ___________ thatcause _______________ .a.…

A: The gram-negative cell wall is composed of a thin, inner layer of peptidoglycan and an outer…

Q: Which receptors of the influenza virus are responsible for binding tothe host cell?a. hemagglutinin…

A: Influenza virus belongs to class V that contains minus single stranded segmented RNA as their…

Q: Lymphoid nodules in the intestines that are derived from undifferentiated cells of the crypts of…

A: The submucosa of the small intestine contains lymphoid nodules. These contain lymphocytes that fight…

Q: The is the time that lapses between encounter with a pathogenand the first symptoms.a. prodrome b.…

A: Pathogen A pathogen is a foreign particle that can invade a host body and can cause infections. The…

Q: 24. Which of the following is NOT true of the CFB group? A. Able to process cellulose in rumen B.…

A: Answer 24: - Cellulose Fermenting Bacteria are found in rumen's gut, ferment cellulose and are avid…

Q: Which bacterium is responsible for the disease in the picture below? C. difficile B. anthracis S.…

A: The symptom shown in the given image is that of arching of the back which is known as opisthotonos.…

Q: What feature does Bacillus and Clostridium have in common that is not found among most other…

A: Step 1 Hello. Since you have asked multiple questions, we will solve the first question for you. If…

Q: Select a factor or factors that favor the invasion and growth ofPseudomonas aeruginosa in the…

A: Pseudomonas aeruginosa is an opportunistic pathogen and cause nosocomical infections. It is a gram…

Q: 48. The arrow points to a Listeria monocytogenes cell moving within the cytoplasm of an intestinal…

A: Listeria monocytogenes is a pathogenic bacteria that causes listeriosis. They can live both in the…

Q: A unique characteristic of many isolates of Pseudomonas useful in identifi cation is a. fecal odor…

A: Pseudomonas species are found in soil, water, and vegetation and can be isolated from healthy…

Q: What can be found on a sterile surface?

A: The bacteria, virus and protozoa are the micro organisms which will leads to the infection and other…

Q: Deodorant Phenyl will not kill which microorganism? O A. Plesiomonas O B. Treponema O C. Klebsiella…

A: The deodorant phenyl is designed to kill bacteria (usually odor-making bacteria) as well as provide…

Q: The effect of antibiotics on micro organismsis mainly due to        a. Inhibition of cell-wall…

A: An antibiotic is a type of antimicrobial substance active against bacteria. In this question, it is…

Q: Entamoeba histolytica primarily invades thea. liver b. large intestine c. small intestined. lungs

A: Protozoans are single-celled eukaryotic organisms. They are either free-living or parasitic in…