An arrangement in packets of eight cells is described as a .a. micrococcus c. tetradb. diplococcus d. sarcina

Q: This bacterium secretes an exotoxin that binds to nerve cells and causes muscle paralysis. O a.…

A: A toxin secreted by bacteria is exotoxin.

Q: When hydrogen peroxide is placed on a colony of an unknown bacterium, bubbles form. Based on this…

A: Correct option is, (d) Is catalase-positive.

Q: Early principles of infection control are attributed to? O a. Louis Pasteur b. Edward Jenner O C.…

A: Louis Pasteur was a father of immunology as he introduced a clear concept of vaccination after…

Q: If an acid-fast bacterium is detected in a clinical sample, thenthe organism could bea) Cryptococcus…

A: Answer- Those bacteria that resist the decolorization with acid alcohol because of the nature of…

Q: Which binomial nomenclature is written incorrectly a. Entamoeba histolytica b. Streptococcus…

A: Binomial nomenclature refers to a system used for naming biological species. It was first proposed…

Q: The genera that may cause Pneumococcal Disease Select one: a. Staphylococcus and Streptococcus O b.…

A: According to the question, we have to identify the genera that may cause Pneumococcal Disease. So,…

Q: This pathogen and its spores are effected by radiation. A. Staphylococcus aureus B. Clostridium…

A: Microbes, which are tiny and nearly invisible, have had a huge influence on society since the…

Q: This group is the easiest to kill using chemical disinfection. A Gram positive bacteria B Gram…

A: Introduction :- Disinfection is the process of elimination of microorganisms like bacteria , viruses…

Q: Infection with which organism could produce symptoms similar to those seen in primary amebic…

A: primary amoebic meningoencephalitis;  is an almost invariably fatal infection of the brain by the…

Q: Cephalosporins resemble which antibiotic in their mode ofaction and their structure?(a)…

A: A type of antimicrobial substance that is active against bacteria is an antibiotic. It is the most…

Q: you worked for a school confronting an outbreak of S. aureus, how would you determine whether the…

A: An outbreak of staphylococcus aureus could become very dangerous specifically is the strain that was…

Q: Which of the following is not an opportunistic enteric bacterium?a. Serratia b. Klebsiella c.…

A: Shigella infection (shigellosis) is also known as intestinal disease which is caused by a family of…

Q: A bacterial arrangement in packets of eight cells is described as a __. a. micrococcus b.…

A: Bacteria are the prokaryotic organisms that lack the membrane-bound nucleus.

Q: Which of the following genera is used in bread, wine, and beer production?a) Lactobacillus…

A: ALCOHOL PRODUCTION:- Microbial production of one of the organic feedstock from plant substances such…

Q: Metachromatic granules are concentrated ____________found in _______ .a. fat, Mycobacterium c.…

A: Granules are cell inclusions that are compartmentalized structures within the cytoplasm and are…

Q: Medications used to treat protozoal infections are commonly referred to as _______________. A)…

A: Introduction Diseases caused by protozoan infections impact many different types of creatures,…

Q: Which of these statements about Streptococcus pyogenes is false?a) It is a Gram-positive coccus…

A: Streptococcus pyogenes are gram-positive Group A streptococcus that are known to cause a variety of…

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: Which of the following is a consideration in treating bacterial infections  A) Bacteriostatic b)…

A: Drugs used to treat these infections are called antimicrobials. The most commonly known…

Q: A patient had a blister on the toe that got infected, and several days later the area around the…

A: Impetigo is skin infection problem which usually indicated by skin rash and redness. It is usually…

Q: Choose the combination of answers that most accurately completes the statement.An arrangement in…

A: These are the arrangements of bacteria.

Q: The broth culture of Bacillus subtilis showed growth even after extended heating in a waterbath,…

A: Bacillus subtilis is a gram-positive and rod-shapes bacteria commonly found in soil and digestive…

Q: Which is not a characteristic of Streptococcus pyogenes? a. group A streptococcus   c. sensitive to…

A: Ans: Streptococcus pyogenes: It is the gram-positive organism and is the causative agent of diseases…

Q: Choose the combination of answers that most accurately completes the statement. Which of the…

A: The pyogenic bacteria are responsible for pus formation in their host. The pus is a fluid that is…

Q: Two patients, with identical medical histories are in adjacent hospital beds. Each is infected with…

A: Answer The encapsulated bacteria in patient A were resistant to Phagocytosis.

Q: Which of the following is/are a pyogenic coccus/cocci?a. Streptococcus b. Staphylococcus c.…

A: The bacteria is the unicellular prokaryotic organism that maintains a definite shape since it…

Q: A group of bacteria are gram stained. They show up as pink. Which bacteria group is most likely…

A: Gram-staining is a technique which is used to differentiate between two types of bacteria on the…

Q: A person in England arrives at a medical clinic with a fever and swollen lymph nodes shortly after…

A: The Gram negative bacterium, Yersinia pestis, is the causative agent of bubonic plague. Bubonic…

Q: A hospital lab technician working with a particular strain of streptococci culture on blood agar…

A: Koch's postulates are four criteria that provide a causal relationship between a causative microbe…

Q: A. Entamoeba hartmanni B. Entamoeba coli C. Entamoeba polecki D. Entamaeba gingivalis

A: Answer

Q: A patient was infected with E. coli, a gram negative bacteria. After taking a first dose of…

A: Ciprofloxacin is an antibiotic which inhibits the replication of the DNA. It inhibits the bacterial…

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: The pathogen Neisseria meningitidis has the nickname "the meningococcus". What is meningococcemia?…

A: Ans-(B) N. meningitidis in the bloodstream.

Q: A pure culture A) is sterile. B) is a population of identical cells. C) is made of a clearly…

A: These pure cultures are essential for microbiological studies. It facilitates the application of…

Q: antibiotics is not bactericidal

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

Q: Which of the following is not an acid fast bacterium:  A. Mycobacterium tuberculosis  B.…

A: Acid-fast bacteria stain red after acid-fast staining due to the existence of their cell wall.…

Q: Which bacterium does not contain deaminase enzyme O A. Proteus O B. Morganella O C. Providencia O D.…

A: Answer :: A) Proteus mirabilis a bacteria produces the enzyme urease, which converts urea into…

Q: Which of the following is not consistent with an endospore? a. It is not a means of asexual…

A: The primary function of most of the endospore is for ensuring survival of a bacterium which goes…

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: The coagulase test is used primarily to differentiate Staphylococcusaureus froma. other…

A: Bacteria are microscopic single-celled prokaryotes that thrive in diverse environmental conditions.…

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: Bacillus subtilis and Bacillus cereus most likely showed greater resistance to UV light than…

A: When some of the microbes are exposed to UV lights they will get killed. The more the time and the…

Q: Which organism provides protection against group A streptococcus GAS colonisation? a. streptococcus…

A: Group A Streptococcus (GAS) is a bacteria that people carry in their throat or on their skin, and…

Q: a. b. C. « 000000000 Use the diagram to match the correct answers. a. ( Choose ) [Choose] possesses…

A: Any bacteria or archaeon with a spherical, oval, or usually round form is called a coccus. Bacteria…

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: A) A short paragraph on the habitat of the organism. B) A short paragraph on the special…

A: Staphylococcus Epidermidis belongs to the genus staphylococcus and is a gram-positive and…

Q: Rod-shaped bacteria grouped in pairs: Question 7 options: a) streptococci b) diplobacilli c)…

A: The bacteria is a unicellular prokaryotic organism that does not contain a true nucleus which is…

Q: Which of the following is true regarding pathogenic strains of Staphylococcus and Streptococcus,…

A: Staphylococcus are gram-positive cocci that grow in clumps whereas streptococci are also gram…

Archaeal cell structure

Bacteria and archaea are two different prokaryotic domains that, along with eukarya, make up the three domains of life. Archaeal organisms can be found all over the biosphere. Many genera are extremophiles, meaning they thrive in extreme environments such as extremely high temperatures, high salinity, or pH extremes. Bacterial and archaeal cells are characterized by the absence of a nucleus and membrane-bound organelles.