Q: why does threonine and serine test positive for biuret test?
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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: What is the color results of tyrosine,phenylalanine,alanine in millon test?
A: Million's test is a protein qualitative test: Principle: Million's test detect tyrosine as its the…
Q: Match the test with the appropriate reagent/ chemical a. DNA test b. Paper chromatography c.…
A: Genetic material is nothing but the sequence of nucleic acids which is called as DNA. It contains…
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: Why does the structure below give a negative result to the Xanthoproteic test even though it…
A: “Since you have asked multiple question, we will solve the first question for you. If youwant any…
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: 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: What is the difference between Benedict and Barfoid's test?
A: Both Barfoeds and Benedict’s solution are made from same ingredients. But their capabilities are…
Q: FNA
A: The above test is called the COAGULASE test. The coagulase test is a experiment to determine whether…
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 Clinical test?
A: A disorder of structure or function in any living organism is called disease. This generally…
Q: How will you prevent the occurrence of the bacteria present in the Rapid Strep A Test?
A: Answer: Rapid Strep A Test (Rapid strep test) is a test used to identify the presence of Strep A…
Q: Differentiate Widal from Weil-Felix test.
A: The Weil-Felix test detects typhus and specific rickettsial infections. Rickettsia is bacteria…
Q: This test gives yellow solution, indicating the presence of proline* A. Biuret B. Ninhydrin C.…
A: Different of the tests mentioned here are tests for detection of amino acids. In the next step we…
Q: What is the color result of 1% solution of casein, Albumin, Gelatin in ninhydrin test? Include…
A: Ninhydrin test: Chemical test to detect presence of ammonia, primary/secondary amines, or amino…
Q: What are the different test of proteins and amino acids, reagents used, color reaction
A: Protein is a biomolecule, there are so many tests to identify the presence of it.
Q: what are the important principle in invertase test?
A: To determine enzymatic activity, the amount of substrate remaining or the amount of product created…
Q: You saw no color change in both the first step and second step of the Nitrate Reduction test. What…
A: A nitrate reduction test is a test done to test whether the Enterobacteriaceae member produces the…
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: The VP test is a confirmatory test. In what situations would this test be utilized?
A: The bacteria is the unicellular prokaryotic organism that maintains a definite shape since it…
Q: Explain the test to perform by gel electrophoresis?
A: DNA is separated according to its size by a process known as Gel electrophoresis. Since DNA is a…
Q: Why are traditional tests such as metabolic test not always used to ID clinically important…
A: Traditional methods for identification of microbes include phenotypic tests or biochemical tests…
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: Why is the Hgba1c test could not be requested as STAT
A: Hba1c also called as glycosylated haemoglobin , is that haemoglobin which has got glucose attached…
Q: What is the principle behind invertase test
A: Invertase was an enzyme that hydrolyses the disaccharide sucrose into monosaccharides glucose and…
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 do eosin-methylene blue (EMB) agar plates work? What organism(s) are they designed to detect?…
A: Several tests are performed in the laboratory in order to detect several bacterial agents as well as…
Q: Citrate test Explain what is the color of the medium after incubation? Green or blue
A: To correctly identify a microbial species, we make use of various biochemical assays that have…
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: What color tube is used for creatinine test?
A: Introduction:- Creatinine test is done to assess the situation of the kidney. Creatinine values…
Q: Which test require a straight line inoculation? Choose all that apply
A: Answer: STRAIGHT LINE TECHNIQUE : It is the streaking technique of bacterial colony over the agar…
Q: Please discuss how the Methyl Red-Vogues Proskauer test helps distinguish microbes from each other.
A:
Q: Why is a 1:20 dilution of patient serum, rather than undiluted patient serum, used for the…
A: In the laboratory blood samples are used to detect various disease conditions. There are different…
Q: Which test require a straight line inoculation? Choose all that apply. A) Bile esculinase B) NaCl…
A: Inoculation is a form of immunisation that involves the introduction of an infectious material onto…
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: how to find out the test is differential or selective in the microbiology lab test?
A: Many kinds of medias are used in microbial study. Two types of media having similar inferred names…
Q: Write down the materials, reagents, Principle, procedure and results for Mann’s methyl blue-eosin…
A: Polychromatic solution of Methyl Blue and Eosin Y stains (modified Mann's solution) is used for…
Q: what is the purpose and objectives on doing nitrious acid test?
A: Amines are the compounds and functional groups having a basic nitrogen atom with a lone pair of…
Q: The Xanthoproteic test involves what type of reaction?
A: The xanthoproteic reaction is the method that is used to detect a presence of the proteins soluble…
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: purpose of the Methyl Red and Voges-Proskauer Test. What makes each one unique and why?
A: The methyl red reagent is a solution that detects the acidic pH of the culture. Voges-proskauer test…
Q: The Duquenois-Levine test is a valuable color test for
A: We can say that, In a forensic chemical analysis of an unknown material, the analytical method is to…
Q: Name three reasons why the ELISA test is useful in detecting microbes
A: ELISA: ELISA ~ Enzyme-Linked Immunosorbent Assay A screening tool used…
Q: Catalase test What is the reagent used in this test?
A: It is required to identify the reagents that are used in the Catalase test.
Q: What is the principle of Bial's test?
A: Bial’s test is known as biochemical test which is used to detect the presence of carbohydrates as…
Q: What single test differentiates Staphylococcus aureus from other species of staphylococci? What is…
A: Staphylococcus aureus is present on human skin and anterior nares along with other mucous membranes.…
Methyl red test
Does a Phenol red organism have to be methyl red?
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