Q: How does bile in bile esculin medium contibute to the isolation and presumptive identification of…
A: Bile Esculin medium is a selective and differential medium used to isolate and identify the members…
Q: What aare Agrobacterium tumefaciens ? why they are used ?
A: BASIC INFORMATION MICROBES They are the unicellular organisms which can not seen by naked eyes…
Q: How did Escherichia coli become pathogenic?
A: Escherichia coli or E. coli can be described as the gram negative, facultative anaerobic, rod shaped…
Q: Why are Archaea resistant to penicillin?
A: Different types of antimicrobial agents are used to inhibit the growth of bacteria. Specific…
Q: What growth factor is often supplied for cultivation of fastidious bacterial pathogens?
A: A fastidious organism requires specific nutrients for growth. In microbiology, the culture medium…
Q: What is Antibacterial Spectrum of cephalosporin?
A: This question is under the topic microbiology. Here we have to provide the information related to…
Q: Of what value is the plant pathogen Agrobacterium?
A: A plant pathogen is an organism that infects plants. While certain plant infections can affect…
Q: Clostridium tetani is a common soil bacterium and causes tetanus. Would you expect tetani to possess…
A: Clostridium tetani is a gram-positive sporulating bacterium. It is found in soil and forms…
Q: What are other applications of Agrobacteriummediatedplant transformation?
A: Transformation is the process by which sexual reproduction occurs in bacteria. In this, the DNA…
Q: what practical significance are capsule forming bacteria in industry and medicine?
A: Introduction Bacterial capsule in the industry is to prevent the bacterium from drying, it serves as…
Q: What are the species of anaerobic bacteria which can be found in chronic wound?
A: Introduction Anaerobic bacteria are bacteria that do not live or grow when oxygen is present or that…
Q: What is ampicillin and how does it affect Escherichia coli?
A: Escherichia coli is a gram negative, rod-shaped, facultative anaerobic bacterium that is found in…
Q: How do STEC strains of Escherichia coli differ from otherpathogenic E. coli?
A: Prokaryotes are the primitive organisms that were the first to develop and harness life on Earth.…
Q: What bacteria grow on both a MacConkey agar plate and Mannitol Salt agar?
A: Selective media The media is a kind of growth media which only allow the growth of a perticular…
Q: What characteristic of Mycoplasma species separates them from other bacteria?
A: The small, microscopic, and unicellular organisms are called microorganisms. There are many…
Q: What major characteristic could be used to differentiate strainsof Pseudomonas from those of Vibrio?
A: Microorganisms are small organism that cannot be seen by naked eyes. Microorganism such as bacteria…
Q: Bacillus subtilis and what enviroments does it thrive in and why?
A: Bacillus subtilis has been one of the most commonly employed species in the study of genetic…
Q: What is a major habitat for many species of Acidobacteria?
A: Acidobacteria Acidobacteria is a species of bacteria. Members of this species vastly differ…
Q: What are the differences between bacteriostatic and bacte-ricidal disinfectants?
A: Bacteriostatic refers to the property of preventing the growth of the bacteria, while the…
Q: What benefit does bacteriorhodopsin confer on Halobacteriumsalinarum?
A: Halobacterium salinarum belong to the domain Archaea. This halophilic marine obligate aerobic is…
Q: Can you thoroughly explain the effect of Sulfanilamide and para-aminobenzoate on the growth of…
A: Sulfanilamide and para -aminobenzoate are use to treat bacterial infections.
Q: Where are the fusiform bacteria usually found in humans?
A: Bacteria are unicellular prokaryotic microorganisms (nucleus is not enclosed in a nuclear membrane)…
Q: hy is nutrient broth considered as a universal growth medium for bacteria?
A: Nutrient Broth is a general-purpose medium for growing a wide range of fastidious and non-fastidious…
Q: How does one can differentiate S. pneumoniae from E.coli
A: Streptococcus pneumoniae is a gram positive diploccoci whereas E.coli is a gram negative rod shaped…
Q: Of these three genera of bacteria, which does not produce endospores: Clostridium, Mycobacterium, or…
A:
Q: What is the purpose in incubating one blood agar plate in aerobic conditions and another blood agar…
A: Blood agar plates abbreviated as BAP are enriched differential media utilized for isolating…
Q: what are these bacteria growing on BA and Maconkey agar
A: Blood agar or BA is an enriched culture medium having multiple nutrients. Blood agar is generally…
Q: Can you thoroughly explain the effect of pH on the growth of Bifidobacterium, an anaerobic, gram…
A: This bacteria is one of the inhabitants of the human colon. It is an anaerobic, gram-positive,…
Q: How would you distinguish between Listeria monocytogenes and othe Listeria species on Chromogenic…
A: Listeria monocytogenes is a motile facultative anaerobic gram-positive rod that is present in…
Q: How was the product of streptomycin isolated by the scientist who discovered this?
A: Streptomycin was first discovered by the American biochemists Selman Walksman,Albert Schatz and…
Q: How might Campylobacter contamination of food productionanimals be controlled?
A: Campylobacter infection is caused by Campylobacter bacteria. It is the most common bacterial cause…
Q: List five characteristics of coliform bacteria.
A: Coliform bacteria belong to Enterobacteriaceae family.
Q: Why is E. coli O157:H7 an organism of concern in contaminated foods? The strain is represented as…
A: E.coli is a prokaryotic organism (bacteria) found in intestine of animals including humans, this…
Q: Which environments do Epsilonproteobacteria typicallyinhabit? What role do they play in these…
A: Bacteria are prokaryotic organisms that have an undefined nucleus and nuclear membrane. Most of the…
Q: What bacterial genera are often included in probiotic foods?
A: Probiotics are live bacteria or yeasts that are good for our body, especially for our digestive…
Q: Why do most iron-oxidizing bacteria grow at anacidic pH?
A: Iron-oxidizing bacteria are those chemotropic bacteria that obtain the energy for their living and…
Q: What are the steps in nitrate reduction as carried outby Pseudomonas species? What is this metabolic…
A: Pseudomonas is the genus of bacteria that belongs to the Pseudomonadaceae family. It is a…
Q: What are the environmental impacts of the bacteria in the genera Pseudomonas and Azotobacter?
A: To describe: To describe the environmental impacts of the bacteria in the genera Pseudomonas and…
Q: Why are psychrotrophic bacteria of concern to those in the food-service industry?
A: Psychotrophs are mesophiles. They can grow at a low temperature such as 4℃. And, their optimal…
Q: why is Brocardia anammoxidan a Gram-negative bacteria? what does gram negative bacteria mean?
A: Answer. Bacteria are microscopic, relatively simple, prokaryotic organisms whose cell lacks a…
Q: Can lactic acid culture infect the human gastrointestinal tract? If yes, why is this method not used…
A:
Q: What makes the cell wall of Listeria monocytogenes interesting in this regard?
A: Listeria monocytogenes (Lm) is a major intracellular foodborne bacterial pathogen that causes…
Q: How does the membrane structure of hyperthermophilicArchaea differ from that of Escherichia coli and…
A: Microorganisms are small organism that cannot be seen by naked eyes. They include bacteria, fungi,…
Q: What are the disadvantages of gram-negative heterotrophic bacteria?
A: As we know that gram staining is differential staining method for differentiating bacterial species…
Q: Which growth phase of bacteria is used for commercial producion of secondary metabolites and why?
A: Bacteria are unicellular and prokaryotic organisms that live in a wide variety of environments. It…
How are lactic acid bacteria different from other
anaerobes and why are they usually restricted to
environments which contain sugar?
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- what practical significance are capsule forming bacteria in industry and medicine?What are the characteristics unique to spiral-shaped bacteria and how will these characteristics help them cause infection or diseases?Brocadia anammoxidans is required to rid of ammonia from sewer water in the treatment method, one of its main biotechnological uses. Hence, these are related to some denitrifying bacteria. What are other denitrifying bacteria that are related to this?
- What specific essential nutrient is required by a particular species of bacteria to survive and reproduce, and how does the absence of this nutrient impact its growth and survival?Why are endospore forming bacteria commonly found in soil?Bacteria of the genus Mycoplasma are distinguished from other bacterial cells by 1) cell walls composed solely of amino acids. O 2) the absence of a cytoplasmic membrane. O 3) the absence of a cell wall. O 4) Have large capsules. 5) the presence of mycolic acid in their cell walls.
- What are the disadvantages of gram-negative heterotrophic bacteria?why is microalgae spirulina is most commonly used to reduce air pollution?Diseases that involve biofilm-producing bacteria are of serious concern. They are not as easily treated compared with those involving free-floating (or planktonic) bacteria. Explain three reasons why biofilm formers are more pathogenic. Brian goes to the hospital after not feeling well for a week. He has a fever of 38 °C (100.4 °F) and complains of nausea and a constant migraine. Distinguish between the signs and symptoms of disease in Brian’s case.