Q: Is the plasmodium falciparum a facultative anaerobe? If not, what would it be?
A: Plasmodium falciparum is a protozoan parasite, that is the causative agent of the most severe form…
Q: What do you call this type of bacterium? How is it structurally different from a spirillum?
A: Bacteria are small single-celled organisms. They are found almost everywhere on Earth and are vital…
Q: Why does an facaltive anaerobic bacterium usually grow better with oxygen than without?
A: A facultative anaerobe is one which is able to survive in both aerobic (oxygen) as well as anaerobic…
Q: Why would farmers be concerned about nitrifying bacteria?
A: Nitrifying bacteria are a small group of aerobic bacteria belonging to the family Nitrobacteraceae…
Q: Describe three unique qualities of Mycobacterium because of the presence of mycolic acid
A: Mycobacterium are the organisms which are associated with human and animal disease such as…
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: Why are endospore forming bacteria commonly found in soil?
A: A bacteria is a cell which is susceptible to a variety of environmental stress. Any environmental…
Q: . Relatively little is known about many obligate anaerobes. Why would this be so?
A: Obligate anaerobes are the organisms which only grow in the absence of the oxygen.
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 kind of phototrophic bacteria make endospores?
A: Endospore is a dormant, tough, and non-reproductive structure produced by some bacterias and its…
Q: Do obligate anaerobes require a functional oxidase, why or why not?
A: Oxidase is type of an enzyme that is responsible for catalyzing redox reactions, especially the one…
Q: What are facultative anaerobes?
A: Anaerobes are organisms that have the ability to survive in the absence of molecular oxygen. They…
Q: Where can KecKzia rhizonkila, Escherichia coli, and Bacillus subtilis generally be isolated from in…
A: Introduction: Microorganisms are widespread in nature. In the five-kingdom classification, they are…
Q: What metabolic process creates the rotten-egg smell characteristic of many anaerobic environments?
A: Hydrogen sulfide gas has the chemical formula H2S and possesses a characteristic rotten eggs smell.…
Q: What characteristics would you use to distinguish betweenEscherichia coli and Klebsiella pneumoniae?
A: Prokaryotes are the primitive organisms that were the first to develop and harness life on Earth.…
Q: What characteristics are shared between the genera Cytophaga and Bacteroides, and in what ways do…
A: Bacteria are prokaryotic unicellular microorganisms. These are found in variety of shapes.
Q: Why is it important to determine the number of mesophilic spores in a food ingredient?
A: Sometimes spore forming mesophilic bacteria found in food ingradient, mainly in dairy product. It…
Q: How could species of Staphylococcus be differentiated fromStreptococcus?
A: Staphylococci and streptococci are among human bacterial pathogens of greatest importance. Currently…
Q: Explain why sulfa drugs prevent bacterial growth without harming the human host.
A: Antimicrobial drugs are those which destroy or inhibit the growth of microorganism. They have their…
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 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: According to the hemolysis results, how does Bacillus cereus differ from B. subtilis?
A: Given: To find how does Bacillus cereus differ from B. subtilis.
Q: Which bacterium reduces nitrates in soil to nitrogen?
A: Nitrogen is needed by the organism for producing amino acids. Atmospheric nitrogen cannot be used as…
Q: What is the correct way to write this microbe’s name: bacillus subtilis, Bacillus subtilis, Bacillus…
A: Microorganisms are also known as microbes and they have a binomial nomenclature.
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: List the major physiological properties of the genus Bacteroides.
A: The Gram-negative, obligate anaerobic bacteria that is known to act as the fecal indicator organism…
Q: Why are most pathogens mesophilic?
A: The mesophilic bacteria include the group that grows at moderate temperature i.e. 20 C to 45 C. 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 is it important to distinguish between E.coli & E. Aerogenws in contaminated water samples?
A: E.coli is a rod-shaped, gram -ve, facultatively anaerobic, coliform bacterial species that is…
Q: Contrast the mechanism for motility in Flavobacteriumwith that in Escherichia coli.
A: The ability of organisms to move is called motility. Prokaryotes move by flagella that are unique to…
Q: What selective agents are added to media to preferentially grow enterobacteria for study? What type…
A: Gram-staining is a procedure of staining than can be used to differentiate between bacterial species…
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 role do salt and sugar individually play in treatment cholera?
A: Each component plays a special role that makes ORS effective. The major role of sugar that play in…
Q: Where would you expect to find purple sulfur bacteria in nature?
A: Bacteria are members of a large group of unicellular microorganisms. Bacteria have cell walls but…
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 is bacterium Shigella ?
A: Bacteria are minuscule single-celled organisms found in millions in all environments, both within…
Q: How are lactic acid bacteria different from otheranaerobes and why are they usually restricted…
A: To explain How lactic acid bacteria are different from other anaerobes and why they are usually…
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 would a psychrophile not be a human pathogen?
A: Microbes are classified according to the temperature range at which they can grow. The development…
Q: Why is the mold Penicillium economically important?
A: Step 1 Penicillium is a blue or green mold which is a common saprotroph of cold environments growing…
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: What is the function of nitrifying bacteria?
A: Bacteria are a group of prokaryotic microscopic single celled organisms. They live in diverse…
Of what benefit is the organism Oxalobacter to human health?
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- 19) Which of the following BEST describes an agent that is bactericidal? A) Windex. B) It suspends bacterial growth. C) It kills the bacteria. D) It causes the bacteria to destroy themselvesBacteria 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 is bacteremia? Is it dangerous for humans?
- How are lactic acid bacteria different from otheranaerobes and why are they usually restricted toenvironments which contain sugar?Bacteria in the genus Clostridium are known for living within the deepest areas within puncture wounds, causing diseases like tetanus and gas gangrene. Based on the description provided, what category of oxygen requirement would be appropriate for the genus Clostridium?) Most human bacterial pathogens are labeled as __ according to their temperature requirement: a) Aerophiles b) Aerobes c) Anaerobes d) Psychrophiles e) Mesophiles
- Which of the following BEST describes an agent that is bacteriostatic? A) It suspends bacterial synthesis of Tranexamic Acid. B) It kills the bacteria by destroying its cell wall. C) It zaps the bacteria with static electricity. D) It suspends bacterial growth.When hydrogen peroxide is placed on a colony of an unknown bacterium, bubbles form. Based on this information, you can conclude that the bacteriuma) is Staphylococcus epidermidis.b) is a lactic acid bacterium.c) is beta-hemolytic.d) is catalase-positive.e) can cause strep throat.Antibiotics are derived from all the following except: a) Penicillium b) Bacillus c) Staphylococcus d) Streptomyces e) Cephalosporium