Which of the following is not an exotoxin? O LPS O A-B toxin O Leukocidins O Superantigens

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: Transposal of virulence and attenuation are two techniquesthat are useful in the production of:(a)…

A: Molecules that are produced by several microorganisms like viruses, fungi, bacteria and protozoa,…

Q: exotoxin and endotoxin with examples, please des

A: Numerous compounds or poisons that are secreted by microorganisms have diverse effects on other…

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: All of the following statements about exotoxins are true EXCEPT: A. Extremely potent B. Actively…

A: Some bacterial species can produce toxins either that may be exotoxins or endotoxins depending on…

Q: Jake went to the doctor and was diagnosed with strep throat. Which type of antibiotīc would the…

A: Antibiotics drugs are agents that used to kill or inhibit the growth of bacterial pathogens that…

Q: Which of the following tems among A-I A) O fermentation B) O immunity C) O antigen

A: In biology, immunity refers to the capability of an organism to fight against harmful microbes. It…

Q: Adam has a sore throat and has been diagnosed with streptococcus. How would he be treated?…

A: Streptococci are a group of bacteria that can cause lots of different diseases. They have the…

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: Bacteria can best survive low pH and dryness by producing ____________. Group of answer choices…

A: Introduction :- Bacteria have cytoplasm, ribosomes, and a plasma membrane, just like eukaryotic…

Q: which organism most easily causes an infection? a. shigella - ID50-10 b. legionella pnemiphila -…

A: Shigella: These are a type of bacteria (gram negative, facultative bacteria), which cause…

Q: Pathogenic bacteria can produce exotoxin, Describe how exotoxin from three different affects human…

A: Exotoxins are toxins produced by bacteria during their growth and metabolism and further released…

Q: Crystals of Bt toxin produced by some bacteria do not kill the bacteriathemselves because –(a)…

A: Bt crops are genetically modified crops which are resistant to insects. These plants are modified to…

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 pairs id mismatched?   A. Virologist – studies human immunodeficiency virus…

A: -Virologists study the viruses that affect humans, plants , animals etc. -Microbial ecologist study…

Q: Some strains of Staphylococcus aureus produce that can cause toxic shock. Multiple Choice…

A: Staphylococcus aureus is a gram positive microorganism which causes the Disease: pneumonia Signs and…

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: Keeping your food covered, especially outdoors, when it is not actually being eaten is a way to…

A: Question- Keeping your food covered, especially outdoors, when it is not actually being eaten is a…

Q: BCG

A: Vaccines are weakened or killed microorganisms administered to the individual and elicit an immune…

Q: Encapsulated bacteria are more virulent than non-encapsulated ones. true O false

A: Bacteria are a prokaryotic living organism that lacks all the membrane bound organelles but contains…

Q: Successful pathogens must do which of the following?Choose one or more:A. Cause rapid death in the…

A: A pathogen may be bacteria, virus or fungi that can cause disease or illness to its host. This term…

Q: It is bactericidal by inhibiting protein synthesis, it does not used systemically because of high…

A: In Systemic administration a medication is administered directly into the circulatory system to get…

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: What structures are found on agar plates when the bacteriophage T4 has penetrated Escherichia coll?…

A: ANSWER;- Colonies

Q: Connexin is found in O Zonula occludens O Zonula adherens O Gap junction O Desmosome

A: Connexins, also known as gap junction proteins, are transmembrane proteins with similar structures…

Q: Which of these microbes is a virus? HIV SARS-COV-2 O Herpes zoster O all of the above

A: Virus is a infective agent which is living inside host and dead outside.Virus consists of RNA or DNA…

Q: All of the following represent the necessary event(s) in an infectious process for the bacterial…

A: Streptococcus pyogenes, or Group A streptococcus (GAS), is a facultative, Gram-positive coccus which…

Q: Primaquine is a drug used in the antimicrobial prophylaxis of: O Meningitis O Tuberculosis Malaria O…

A: Answer :- Option (C) is correct. - Malaria.

Q: Exotoxins

A: Exotoxins can be the following EXCEPT: they are LPS/lipopolysacharride Correct option: 1st Reason:…

Q: D.No.31: Erythromycin: (a) belongs to aminoglycosides (b) is effective in both gram positive and…

A: Erythromycin is macrolide antibiotic. It is active against and used for treatment of most of the…

Q: Which of the following disease are not preventable with traditional vaccines? O a. TB O b. Polio O…

A: A vaccine is the antigen or mixture of antigen that used to induce artificial active immunity and…

Q: About becterial enzymes, it is CORRECT to affirm that: a). Some becterial enzymes can help the…

A: Bacterial enzymes are defined as the enzymes which degrade proteins into their amino acid components…

Q: Which of the following is a parasitic blood disease that avoids the immune system by occasionally…

A: Answer Trypanosomes

Q: antibiotics is not bactericidal

A: Antibiotics are used as a safety measure against the attack of microorganisms. They disable the…

Q: e The worst offender micro organism Yesponsible for causing Putrefaction is A streptococci B…

A: Putrefaction is the decomposition or rotting of organic materials in a body caused by the action of…

Q: Which of the following is not an example of a microbe's ability to evade host defenses? Capsules…

A: Microbes are relatively minute living entities that are all around us and are invisible to the bare…

Q: This type of vaccine contains intact microbes, but the microbes are unable to replicate within the…

A: The correct option is (a) Live vaccine, however (c) is also correct as live vaccines and attenuated…

Q: which of the following antibiotics are batericidal? a) polymyxin b b) rifamycins c)…

A: Bactericidal refers to antibiotics that kill bacteria and whose action is irreversible.

Q: How does a fever influence bacterial pathogens? O They grow faster because they are thermophiles O…

A: Fever can uphold the resistant framework's endeavor to pick up advantage over irresistible…

Q: Which of the following can survive for long periods on inanimate surfaces and hence be transmitted…

A: Micro-organism are tiny organisms that cannot be seen by the naked eye, but are visible under…

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: intramuscular injection

A: A. Measles vaccine is administered via subcutaneous route.  B.DPT vaccine is administered via…

Q: Spread of bacteria to other sites in the body (ie- the "spread step" of pathogenesis) does NOT…

A: Answer) The spread of bacteria to other sites in the body does not involve clot digesting enzymes…

Q: Which of the following statements about anthrax is incorrect? there is a potential for long-term…

A: Introduction The majority of anthrax infections arise when people come into contact with…

Q: Ingestion of Lactobacillus and Bifidobacterium species to treat diarrhea is an example of a O…

A: Explanation: Probiotics may help prevent travelers' diarrhea, diarrhea from ... you may want to…

Q: Which of the following are antibiotics? X-gal and IPTG haemolysin Escherichia coli pBluescript…

A: Antibiotics are specific molecules that are released by some bacteria. Actually it is used as the…

Q: All of the following statements concerning endotoxins are correct except: Select one: A. they are…

A: Microorganisms are small microscopic living things. Bacteria are small microscopic organisms…

Q: Which group of bacteria below would be most resistant to antibioitcs? O wall-less bacteria e.g._…

A: Bacterias are harmful to life and antibiotics are used to kill or suppress their growth in an…

Q: most of the available antimicrobial medicaitons are effective against: a. bacteria b. protozia c.…

A: Correct option  a. Bacteria     Reason:  Most of the available antimicrobial medication  is…