How will the following factors contribute to the ability of bacteria to invade the host? A. Antigenic variation B. Penetration into the Host cell cytoskeleton

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: Describe two mechanisms that bacteria use to invade via mucous membranes.

A: The membrane that lines the several body cavities is called the mucosal membrane. This membrane…

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: normal microbiota  beneficial

A: what are normal microbiota? '' normal microbiota '' denotes to the population of microoganisms that…

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: Why must the top agar be supplemented with maltose? A) Maltose allows for binding of the phage to…

A: Plate cultures of bacteriophage are prepared by combining phage with susceptible host cells in top…

Q: Which of the following is most susceptible to antimicrobial agents?   mycobacteria bacterial…

A: INTRODUCTION Vegetative bacteria A normally growing bacterial cell that forms endospore is called…

Q: Endotoxin is associated witha) Gram-positive bacteria.b) Gram-negative bacteria.c) the cytoplasmic…

A: Endotoxin : It is the chemical which is toxic in nature  released from  the bacterial cell when the…

Q: When bacteria causes the death of most or all of the cells in an organ or tissue due to disease,…

A:

Q: Describe three different ways in which exotoxins can be transported from a human pathogenic…

A: The release of toxins into the surrounding environment, regardless of when released, outcomes in the…

Q: Why does Helicobacter pylori cause ulceractions in the lining of the Stomach? 1)The microbes secrete…

A: Helicobacter pylori is a type of bacteria that can infect the stomach and cause illness.

Q: a. Why is it unlikely that diseases such as tetanus and botulism willever be completely…

A: Since we only answer 1 question in case of multiple question, we’ll answer the first question as the…

Q: Bacterial capsules work by _____. View Available Hint(s) for Part E       protecting the bacterium…

A: So correct option will be protecting the bacterium from engulfment Capsules made of substances…

Q: Which of the following bacteria contain "Endotoxin" as an important constituent of its structure?…

A: NOTE-"As per our honor code, we are authorized to answer only one question at a moment. As you have…

Q: in order for a bacterial pathogen to colonise a host epithelial cell surface, which set of potential…

A: Introduction   Microorganisms develop or secrete some factors that can evoke pathogenicity in the…

Q: The ability of some microbes, such as Trypanosoma or Giardia to alter their surface molecules and…

A: The protozoan parasitic species present in the genus Trypanosoma causes Human African…

Q: Which one(s) is/are more harmful to the host and why? A) Antifungal agents B) antiprotozoal agents…

A: Ani fungal drugs are the most harmful to human body even more than the anti protozoal agents and the…

Q: Which infectious agent is an obligate parasite? a. Mycobacterium tuberculosis b. Corynebacterium…

A: A holoparasite or a obligate parasite alludes to a parasitic creature, which neglects to finish its…

Q: During which of the four phases of growth would a gram-positive bacteria be most susceptible to…

A: Bacteria have a growth period of 3-4 days. When data from a complete growth period is gathered, a…

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: Given that so many infections are caused by gram-negative opportunists, what would you predict will…

A: AIDS, also known as (acquired immunodeficiency syndrome) is definitely one of the deadliest diseases…

Q: A microorganism when obtained from a natural environment and grown in laboratory, it will not be…

A: Microorganisms grow in variable environments. Like some thrive in acidic environments while some in…

Q: Mycobacterium tuberculosis is very difficult to stain because of the A) presence of ribosomes in…

A: Mycobacterium tuberculosis is a bacterial pathogen responsible for causing tuberculosis in human…

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: 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: Once these pathogens enter the host the difference in environmental conditions signals for them to…

A: Disease causing organisms are known as pathogens. Different types of pathogens have different modes…

Q: The type of microbe which reproduces by budding is ___.     protozoa     yeast     Bacillus…

A: Answer is option B.

Q: The presence of endotoxins in a sterile fluid indicates: the presence of gram-positive cell walls…

A: Endotoxins, additionally called LPS, are the part of the external membrane of gram-negative bacteria…

Q: What causes the viral plaques that appear on a bacterial lawnto stop growing larger?

A: Viruses are microscopic agents that can replicate only inside the host cells. They can infect all…

Q: Which bacteria release a potent exotoxin, capable of interfering with nerve/muscle communication? a.…

A: An exotoxin is a toxin secereted by bacteria into the surroundings. Bacterial toxin are classified…

Q: Exotoxins usually contribute to the infection process but endotoxins do not.  Both, however, are…

A: Virulence is the ability of an infectious agent to produce disease. Toxins are products of…

Q: In agriculture, what are the six steps involved in the disease cycle? Describe what occurs at each…

A: The series of events from the development of disease, which also includes stages of developmet of…

Q: Which of the following diseases is NOT caused by a bacterium? Group of answer choices A) Epidemic…

A: Bacterial disease refers to any of a variety of diseases caused by bacteria.

Q: which of the following statements about exotoxins is generally not true? a. they have specific…

A: An exotoxin is a toxin/poisonous material secreted by bacteria.

Q: When can you say that a microbe is pathogenic and what are/have something in them that can give them…

A: Many of the microorganisms are pathogenic, that is they can cause diseases in our body. The common…

Q: What are three good reasons that the idea of using predatory bacteria to combat infections is…

A: In bacterial communities, predatory bacteria have been suggested as a critical selective force.…

Q: Which genus of bacteria has pathogens that can cause blindness?a. Streptococcus b. Staphylococcus c.…

A: Bacteria are the most important microorganisms to the food processor. Some bacteria are beneficial…

Q: What are the microbes called which colonize our bodies and actually help us to survive by aiding…

A: Microbes are small sized organisms which cannot be seen by naked eyes. They are only visible through…

Q: hree different ways in which exotoxins can be transported from a human pathogenic bacterium into a…

A: Exotoxins are soluble proteins secreted by some pathogenic bacteria and they alter the host cell…

Q: Suppose there is an infectious disease at a party. How could doctors tell if the disease was…

A: Infectious diseases are disorders caused by organisms such as bacteria, viruses,  fungi or…

Q: An imaginary bacteria has the following ID50 for each portal of entry: Skin: 300 endospores Lungs:…

A: Most bacteria can enter the body through one route and get established to cause infection and…

Q: Which of the specimens is a prokaryote cell?     A. staphylococcus and E.coli   B. rhinovirus and…

A: Cell is the smallest unit and the building block of life. The cell is composed of cytoplasm enclosed…

Q: Bacteria perform the following ecological roles. Which roletypically does not involve symbiosis?(A)…

A: Symbiosis refers to relationship between two different species, in which at least one species is…

Q: A microbiologist sets up a serial dilution to analyze bacteria in raw milk.   Tube 1 – 0.1 mL milk…

A: Dilution is a phenomenon in which final solution are prepared having concentration comparatively…

Q: Construct a paragraph or two describing the interrelationship among a bacterial

A: The answer is explained below showing interrelation among a microorganism microorganism, the…