How would you distinguish between Listeria monocytogenes and othe Listeria species on Chromogenic Listeria agar supplemented with Brilliance Listeria Differential supplement (SR0228)?

Q: How do the methyl-red and Voges-Proskauer tests differentiate between certain members of the…

A: Methyl-red and Voges-Proskauer tests are used to differentiate  between certain members of the…

Q: How does Salmonella typhimurium differ biochemically from Salmonella typhi?

A: Salmonella typhimurium : It is a pathogenic gram negative bacteria which is found in intestinal…

Q: Enterobacteriaceae species might be differentiated (from one another) by all of the following…

A: Amino acid fermentation reports by enterobacteriaceace family members has not been published yet.…

Q: How do the products of NO3- reduction differ between E. coliand Pseudomonas?

A: E.coli is a type of bacteria that is mostly found in the human intestine and gut of some animals. It…

Q: How can one distinguish E. coli from P.aeruginosa on nutrient agar? blood agar? EMB agar? What is…

A: Psuedomonas aeroginosa iscan aerobic organism that is motile, gram negative  , rod shaped bacteria…

Q: Selective and Differential Conditions of media and culture conditions can be used to culture and…

A: Different types of media are used to study the microbes. Differential media is also known as…

Q: Is the eosin methylene blue agar? (EMB) a complex or defined medium? Explain based on its…

A: Complex media consists of nutrients such as water soluble extracts of plant or animal tissue and…

Q: With the aid of diagrams, illustrate the biochemical basis of the following: Allopurinol used in…

A: Allopurinol used in the management of gout Gout is an inflammatory arthritis that is caused by…

Q: McConkey agar red is considered to be both differential and selective for the isolation of members…

A: Enterobacteria cause intestinal diseases. It causes urinary infection, gastric problems, septicemia…

Q: What is the purpose of the crystal violet, bile salts, and neural red in MacConkey Agar media?

A: MacConkey Agar or MAC is a culture medium. It is a selective and differential medium designed for…

Q: Why is resazurin a useful media additive for the study of anaerobes?

A: Resazurin is a weakly fluorescent, non-toxic, redox-sensitive phenoxazine dye which has a…

Q: holsappleeus scarius is a normal flora of the human intestenal tract. its facultative anaerobe…

A: Gut microbial flora is found in three primary regions. They are the stomach, colon, and small…

Q: How is SO42- converted to SO32- during dissimilative sulfatereduction? Physiologically, how does…

A: It is a type of anaerobic respiration exhibited by some bacteria and archaea. The use of term…

Q: How is the CTSA (Coconut tryptic soy agar) growth medium designed to meet the nutritional need of…

A: Coconut trypic soy agar media are general-purpose, non-selective media that provide enough nutrients…

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 is the Key Gross Morphology Characteristics on different Primary Plating Media for Enterococcus…

A: Various agar medium are used for plating in order to grow different gram positive and gram negative…

Q: What would happen if an ampicillin reagent is added to an Lysogeny broth agar plate that is below 50…

A: Ampicillin is an antibiotic which enables the synthesis of the peptidoglycan of bacterial cells wall…

Q: What is the mechanism of action of cisplantine as an anticancer agent?

A: Cisplantine is a chemotherapeutic drug. It has been used for treatment of numerous human cancers…

Q: How would you distinguish between Staphylococcus aureus and S. epidermidis on mannitol salt agar and…

A: Hi! Thanks for your question. As you have posted multiple questions and have not mentioned which one…

Q: In the differential absorption heterophile test, what findings are diagnostic of IM?

A: Infectious mononucleosis is a very common disease in adults with symptoms such as malaise,…

Q: How can you use the characteristics of L.monocytogenes to produce a growth medium that is both…

A: Listeria monocytogenes is a Gram-positive, facultative intracellular bacteria that can cause human…

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: 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: Can you thoroughly explain the effect of Benzoate at different pH levels on the growth of…

A: Bacteria are defined as the single celled organisms, that can further categorized into two types:…

Q: name the genus and species of 2 enteric bacteria that do not ferment lactose   discuss why a mixed…

A: Hi! As you have posted multiple questions and not mentioned which one of them to be answered, I will…

Q: How is the CTSA (coconut water tryptic soy agar) growth medium designed to meet the nutritional need…

A: Many different kinds of media are formulated in the microbiology lab to support the growth of a wide…

Q: Identify a biochemical test that can differentiate Enterobacter agglomerans from Enterobacter…

A: Enterobacter cloacae is a part of the normal gut flora of humans and usually, it is not considered a…

Q: The isolation of Salmonella Typhimurium and S.Typhi require different protocols: A) In what aspects…

A: Salmonella Typhimurium and salmonella typhi are the 2 diffrent specius of bacteria under same genus…

Q: An auxotroph bacterium A could grow only on a medium containing leucine, and an auxotroph bacterium…

A: Auxotrophs are the mutant strain which are not able to grow on minimal media. Such mutant strains…

Q: If an esculinase-postive and an esculinase-negative bacteria species can both grow on the Bile…

A: Bile Esculin Agar  It is defined as the type of selective differential agar that's used to isolate…

Q: Yoghurt starter culture is a mixed population of S. thermophilus and L. bulgaricus, both competing…

A: The living beings on this planet have been broadly divided into two categories - Plants and Animals.…

Q: All of the following microorganisms contains the enzyme catalase except?

A: Answer - Option D - Obligate anaerobes

Q: What is the underlying mechinism of action for the anitibiotic bacitracin?

A: Bacteria are a group of prokaryotic microscopic single celled organisms. The antibiotics are the…

Q: What is the difference between Spironolactone and lasix?

A: Spironolactone and Lasix are used for reducing edema or a severe form of skin reaction. They can be…

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: 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: What chemical ingredients make MSA differential? How (in your own words) do those chemical…

A: Introduction  A liquid medium known as enrichment media contains specific selective agents,…

Q: Which bacterial culture (Lb. plantarum, P. acidilactici, or P. pentosaceus) was most effective…

A: Bacteria are prokaryotic organisms that may be pathogenic in nature. The cells are devoid of…

Q: Other than being used in treating corn seeds, why is it recommended to use metalaxyl in combination…

A: Metalaxyl is a systemic fungicide that is effective against oomycetes. Metalaxyl is a systemic…

Q: Before using the API® 20E System, what test must be performed to confirm the identity of your…

A: Bacteria are of two classes gram-negative and gram-positive bacteria. They are classified on the…

Q: esides mosquitoes, what other organisms are known to be affected by Tetramethrin and…

A: Tetramethrin is a synthetic pyrethroid insecticide with a broad spectrum of activity. Pyrethroids…

Q: Can lactic acid culture infect the human gastrointestinal tract? If yes, why is this method not used…

A:

Q: What critical limiting factors are used in the production of penicillin?

A: Penicillins are a group of antibacterial drugs. These are originally obtained from Penicillium molds…

Q: Discuss the unique capacity of the Deinococci to tolerate desiccation and high doses of radiation

A: Answer: Introduction: Deinococcus radiodurans is a high temperature and radiation resistant…

Q: What would happen if you forgot to add NaCl in culture used for isolating vibrios? Which  species…

A: Vibrio bacteria are comma shaped(Curved rod shaped)bacteria; which shows mobility  because of the…

Q: Between  Bacillus megaterium, Bacillus sphaericus, and Bacillus subtilis which are positve and which…

A: oxidase test in microbiology is the best that is used for the determination of an organism that…

Q: Why is sulfate (SO42-) added to a Winogradsky column?

A: Winogradsky developed the columns as a means of enriching sediments and soils for microbes.…

Q: How can you use Alamar Blue (Resazurin) to test whether the antimicrobial compound is bactericidal…

A: Visual methods of quality and quantity are readily found in biology and other field alike as they…

Q: Why is chlorination, although beneficial in terms of bacterial pathogen control, of environmental…

A: Chlorination is a disinfection procedure in which microorganisms are killed by the use of chlorine…

Q: Why gentamicin and tetracycline are not effective against eukaryotic microorganisms such as fungi?

A: Tetracycline and gentamicin are antimicrobial agents.

Mitochondrial Mutations

A mitochondrion is a cellular organelle that serves as the site for cellular respiration and energy production (ATP or Adenosine Triphosphate). It is a double-membrane-bound organelle and is only present in eukaryotic cells.