Q: why does threonine and serine test positive for biuret test?
A: A protein is considered to be a biological macromolecule made up of one or more polypeptide…
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?
Trending now
This is a popular solution!
Step by step
Solved in 5 steps
- Why is 80% alcohol the recommended solvent For the preparation of plant extract?Corynebacterium xerosis ~1X 2 micron Notice: angular and palisades 中e-A mixture of dipeptides consisting of Lys-Gly, Thr-His, Ser-Leu, Glu-Gln was applied to column packed with cation-exchange resin at pH 6.0. Which of these dipeptides would be eluted from the column first? O Lys-Gly first O Thr-His first O Ser-Leu first O Glu-Gln first OA mixture of Thr-His and Ser-Leu first
- How do SYBR green and the blue dye differ in function?How do multiple pigments exist if the chlorophyll extract appears green when placed on the paper?Xanthoproteic test is used to detect amino acids containing an aromatic nucleus in a protein solution which gives yellow color, but why does phenylalanine gives negative result?
- Why is ethanol a good solvent for the recrystallization of biphenyl, but acetone and water are not good choices?explain three starting compounds for industrial vanillin production. explain two genetic modifications that has been done to improve vanillin production.Identify the zwitterion below and at what pH it can be found