Between Bacillus megaterium, Bacillus sphaericus, and Bacillus subtilis, which are positve for mannitol test results, which are negative?

Q: What gram-positive bacterium can give a positive presumptive test?

A: In microbiology, the presumptive test is used to find out the presence of gas-forming lactose…

Q: What is the purpose of flame-sterilizing the mouth of the test tube and the side of the Petri dish…

A: Flame is an excellent way of cleaning a surface from contaminating organisms. Instant high heat…

Q: Between, Shigella flexneri and Shigella sonnei, which are positive and which are negative for…

A: Shigella is a group of gram-negative, non-motile, non-capsulated, non-endospore-forming bacilli that…

Q: What is the principle of Molisch test, Benedict test, Biuret test, Xanthoproteic test, Sudan test,…

A: The tests that are mentioned above are the tests used for identification of biomolecules like…

Q: Is it possible for nonprotein compounds to test positive for the xanthoproteic test? What are these…

A: Proteins are made up of number of amino acids. Amino acids are organic compounds with two functional…

Q: Phenylethyl Alcohol Agar Blood hemolysis DNase Gelatinase Coagulase Staphaurex Latex Bead…

A: Bacteria are the single-celled organisms that consists single strand DNA and do not have nucleus or…

Q: You have isolated a Gram positive cocci from a throat culture. You have determined that it is…

A: Gram-positive bacteria have a single cell wall anchored to the cell membrane by lipoteichoic…

Q: which bacteria is Coccobacillary,gram negative, non motile and negative oxidase test?

A: Bacteria are microscopic organisms which belong to prokaryote because these are unicellular…

Q: What is the main purpose of haemolytic tests? What is the main substance responsible for this…

A: Pathogenic microrganism are the microbes that has capability to cause disease and infection inside…

Q: Between Shigella flexneri and Shigella sonnei, which are positive or negative for methyl red test…

A: Genus Shigellae are Gram-negative rod shaped, facultatively anaerobic, non-motile, non-spore-forming…

Q: What is the drug of choice for patient who had S. Aureus culture? Why?

A: Staphylococcus aureus is responsible for a wide range of symptoms and illnesses. Penicillin is the…

Q: B.cereus

A: Bacillus is a genus of rod shaped, gram positive aerobic or facultatively anaerobic bacteria found…

Q: how the Bile Esculin Test works. How is a positive test attained? What does the positive test tell…

A: Bile Esculin Agar or BEA is a selective and differential medium used to identify Entercocci and…

Q: What test would confirm the presence of Bacillus Cereus?

A: B. cereus is the bacteria species come under rod shaped bacteria, they are motile bacteria and form…

Q: Why is glucose not the choice of carbohydrate for most differential media used in the identification…

A: Bacilli present in the intestinal tract are rod shaped bacteria.for example, enteric bacteria…

Q: Name two tests that are useful for the differentiation of pneumococci and oral viridans…

A: Pneumococci or Streptococcus pneumonia is a spherical, Gram-positive bacterium. They are generally…

Q: In order to view Treponema pallidum, the causative agent of syphilis, under the microscope, you can…

A: In test we are detecting a bacteria under microscope (fluorescence microscope) and the tag are uses…

Q: What is the principle involved in the Acrolein test? What is its purpose?

A: Qualitative tests are the chemical or physical tests involved in identification of certain…

Q: Is proteus vulgaris positive or negative in lia test? Why?

A: Proteus vulgaris is a gram negative bacteria that test positive for indole and catalase production.…

Q: The patient, who presented with complaints such as sore throat, fever, weakness, and swollen…

A: Streptococcus pyogenes is a beta hemolytic gram positive bacterium that serve as the causative agent…

Q: Is it important to have a standardized way of counting and reporting AFB seen on a direct sputum…

A: Acid-Fast Bacilli (AFB) is a bacterial species that causes tuberculosis in humans and testing of…

Q: Describe the biuret test. What does the Biuret test detect?

A: There are different types of biomolecules. The biomolecules greatly differ in their physical and…

Q: Describe the Xanthroproteic test. What does the Xanthroproteic test detect?

A: Proteins are one among different biomolecules present in the body, and they are the building blocks…

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: a specimen from an infected wound has been submitted to the clinical laboratory. explain in detail…

A: Viruses, bacteria, fungus, protozoa, and helminths are the five types of disease-causing agents…

Q: Explain in how did Candida intermedia contaminate raw milk?

A: Candida is a yeast genus that is responsible for the majority of fungal infections globally.…

Q: Is bile esculin test a efficient test for unknown intestinal bacteria?

A: In the intestine, only those bacteria that are not killed by the bile survive. The normal bacteria…

Q: Describe result for gram reaction of staphylococcus capitis

A: Staphylococcus capitis  is a CoNS (Coagulase-negative species) of the genus, Staphylococcus. It has…

Q: Is  Bacillus cereus negative or positive for growing in high salt concentrations?

A: Bacillus cereus is a gram-positive, endospore forming, non-capsulated bacillus, motile with…

Q: How does one can differentiate staphylococcus aureus from streptococcus, with the test use, color,…

A: • Staphylococcus aureus is the most risky of the entirety of the numerous normal staphylococcal…

Q: What test can be performed to differentiate between group A and group C streptococci?

A: Bacteria are a group of prokaryotic microscopic single celled organisms. They live in diverse…

Q: What are some advantages and disadvantages of using blood agar vs. the Staph-Tex test to…

A: Hi, Thanks For Your Question.  Answer : Advantages Of Using Blood Agar To Differentiate Between S.…

Q: It  has  been  established  that  V.  parahaemolyticus  cross-reacts  with  many  marine  bacteria…

A: Serological tests signify those tests, that detect the antibodies against a microorganism. It…

Q: Explain how staphylococcus capitis  test is different from streptococcus salivarius  test ?

A: Streptococcus salivarius and Staphylococcus capitis are both pathogens for humans. These two…

Q: What would the results of the Durham tubes be for Staphyloccocus Epidermides?

A: Durham tubes are the tubes which are used in microbiology. They are used to detect the presence of…

Q: Of , Shigella flexneri and Shigella sonnei, which are positive and which is negative for…

A: The ability of an organism to generate the enzyme deaminase is tested using a phenylalanine…

Q: How this Bacillus cereus can be find? what kind of testing require ? Is it through plate or brooth…

A: Bacillus cereus is a Gram-positive, rod-shaped, facultatively anaerobic, flagellated,…

Q: State whether Staphylococcus epidermidis and Staphylococcus aureus are negative or positive for…

A: Voges-Proskauer test detects whether bacteria ferments glucose into acetylmethyl carbinol or not. If…

Q: State whether Staphylococcus epidermidis and Staphylococcus aureus are negative or positive for…

A: The oxidase test detects the presence of a cytochrome oxidase system that will catalyze the…

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

A: The VP test detects organisms that utilize the butylene glycol pathway and produce acetoin. It…

Q: Why is serum beta glucan testing used for diagnosing an invasive candidiasis?

A: Yeast a type of fungus. Candida is a genus of yeast. When any member of the genus Candida causes a…

Q: Describe the step-by-step procedure for preparing a thick and thin smear to test for malaria.

A: Malaria is a vector-borne disease that is caused by the parasite Plasmodium. This disease is…

Q: What is the purpose of the RPR Test?

A: According to guidelines we have to answer the first question only. so please kindly post the…

Q: What would be the expected out come of a gram staining test If the bacteria is a pathogenic…

A: Gram staining is a common technique used to differentiate two large groups of bacteria based on…

Q: What test can be performed to differentiate the enterococci from other group D streptococci?

A: Group D streptococci are separated into enterococcal species, including S. faecalis, S. faecium, and…

Q: Based on the journal article “Interpretation of the Tube Coagulase Test for  Identification of…

A: The coagulase test works on the principle that a coagulase enzyme causes the plasma to clot through…

Q: In the entrropluri tube system which test require the addition of reagents after the incubation time…

A: Entreropluri test system is a Enterobacteriaceae identifying system. It is use to identify some gram…

Q: How is a Rickettsia prowazekii  detected using Weil-Felix agglutination test

A: The Weil-Felix reaction is used in the diagnosis of the rickettsial infections. The known species of…

Q: what is the thermal death time? what is the thermal death time for Bacillus subtilis and…

A:

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…

Microbial Growth

The development of microbial growth is influenced by various natural conditions (both physical and synthetic) like pH, temperature, saltiness, gas focus (O2, CO2, and H2), nutrients, water action, and assimilation. Knowing the distinctive physical and chemical factors that influence the development and endurance of microbial growth in the climate will assist with reinforcing endeavors outfitted towards their control. These lines lessen or diminish their harmful impacts on humankind, creatures, and the climate.