Between Bacillus megaterium, Bacillus sphaericus, and Bacillus subtilis which are positive or negatvie for Voges-Proskauer test results?

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

A: MSA or Mannitol Salt Agar is a differential and selective medium that encourages the growth of some…

Q: Alchohol based hand sanitizers are effective against influenza. True/False?

A: Influenza is a viral infection caused by the influenza virus. It is commonly known as flu. There are…

Q: Is  Bacillus cereus negative or positive for methyl red, and  Voges-Proskauer tests?

A: The methyl red (MR) test detects whether bacteria can ferment the glucose or not. It detects the…

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 role of H2SO4 in Hopkins cole test?

A: The Hopkin's Cole test, sometimes known as the 'glyoxylic acid test,' is a method for detecting the…

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: What would be the expected out come of a phenol red test If the bacteria is a pathogenic intestinal…

A: Phenol Red Broth is a general-purpose differential test medium typically used to differentiate…

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: What is the chemical basis of the Xanthoproteic Test? Give the chemical reaction involved.

A: Protein is a nitrogenous organic macromolecule that is essential to human health. It is responsible…

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: When innoculate the bacteria noticed yellow colonies, is that staphylococcus aureus or…

A: It is required to identify the yellow colonies seen after inoculation of the bacteria is…

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: If five colonies were counted on a 10–3 dilution plate streaked with 0.01 mlof urine, what was the…

A: The standard plate count estimates the total aerobic population density of microbes in a sample by…

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: The organism tested on Blood Agar (plate shown furthest to the left) is: a. Micrococccus luteus b.…

A: INTRODUCTION Blood agar This is a solid culture medium consisting of blood, peptones and agar. In…

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: Match the best selection media with the organism

A: A selective media is a growth medium that selects a specific organism strain and inhibits the growth…

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: Which medium is used for indole test and Coagulase Test?

A: Biochemical tests are used to identify microbial diversity based on variations in the biochemical…

Q: What are the examples of organisms that belong to the positive test in in-dose test?

A: Tryptophan is an amino acid that can undergo deamination. Indole is generated by reductive…

Q: Kligler’s iron agar and SIM are multiple test media.What physiological characteristic is detected by…

A: Both the Kligler’s iron agar test and SIM (sulfide, indole, motility) test media are widely used in…

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: Draw the reactions and the interpretation on the lysine iron agar (lia) test for Proteus vulgaris

A: Proteus vulgaris is a gram negative, rod shaped facultative anaerobe in the Enterobacteriaceae…

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: Is tripple sugar iron test a efficient test for unknown intestinal bacteria?

A: Triple sugar iron agar is a differential medium that contains lactose, sucrose, a small amount of…

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: Is phenol red test a efficient test for unknown intestinal bacteria?

A: Fermentation of carbohydrates is the method used by microorganisms to produce energy. Phenol Red…

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: 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: What would be the expected outcome of an endospore stain test If the bacteria is a pathogenic…

A: Endospore stain is a differential stain that is used to image endospores in bacteria. A few genera…

Q: What two S. aureus antigens are being detected with the use of this test kit?

A: Antigen is a substance that is capable of stimulating an immune response. Specifically, it activates…

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

A: Shigella is a Gram-negative, rod-shaped bacteria belonging to family Enterobacteriaceae. They…

Q: In a Triple Sugar Iron test, what are the results and (what should they look like) for the bacteria:…

A: triple sugar ion test or TSI is a confirmatory as well as a differentiative biochemical test which…

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: What are the sources of errors of Widal Test? Give example/s of modern test for typhoid fever.…

A: Widal test is a serological testing method of measuring antibodies capacities upon flagella and LPS…

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 microorganisms other than coliforms are likely to give positive presumptive test?

A:

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: which kind of sample gives positive result for Molish test?

A: It is a chemical test which is named after the botanist Hans Molisch.  This test involves the…

Q: Is Nitrate reduction test a efficient test for unknown intestinal bacteria?

A: Nitrate Reduction Test is used to determine the ability of an organism to reduce nitrate (NO3) to…

Q: What is Hemin test and Benzidine test?

A: Hemin test - Hemin can be produced from haemoglobin by the so-called Teichmann test, when…

Q: Clear tubes in the MIC test were inoculated in Mueller-Hinton Agar to determine the MBC of the…

A: MBC - stands for minimum bactericidal concentration  It is the lowest concentration of antibiotics…

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.