What is the purpose of Durham test ?

Q: Methyl red test Does a Phenol red organism have to be methyl red?

A: It is required to find if the Phenol Red organisms are also Methyl Red in the indicator tests.

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: What is ninhydrin used to detect? How does it work?

A: Proteins are involved in several important body functions and are very much essential for all life…

Q: Using Benedict's Test would the substance (saliva + acid + potato chips) test positive or negative?…

A: Benedict's test is used for the identification of reducing sugars such as simple carbohydrates…

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: 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: All of the following about the chi-square test are true, except:

A: A chi-square test is a statistical test that indicates whether given variables are independent or…

Q: What amino acid found in proteins causes the response in the Hopkins- Cole test?

A: Amino acids are the simple basic units that are used to make up all the proteins inside the cell.…

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: 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: ç00 HN-CH-CH," CHR CHR A. В. D.

A: Biuret test is performed in order to detect the presence of peptide bonds.

Q: What is the purpose of chewing gum in the Snyder Test procedure outlined?

A: Dental caries is the disease of teeth in which microbes demineralize the teeth leading to a cavity.…

Q: What is Clinical test?

A: A disorder of structure or function in any living organism is called disease. This generally…

Q: Between Proteus mirabilis and Proteus vulgaris which are positive or negative for ornithine…

A: ornithine decarboxylase test is a special kind of biochemical test that helps to determine whether…

Q: What is MODIFIED ALLEN TEST?

A: Blood is an important fluid tissue that is used to transport nutrients and oxygen to all parts of…

Q: What is the use of heat in Seliwanoff’s, Benedict’s and Barfoed’s tests?

A: The Seliwanhoff's, Benedicts's, and Barfoed's tests can qualitatively identify and distinguish among…

Q: What is the action of dexamethasone in the suppression test?

A: The disease is a state which is deviated from the normal condition. A disease can be caused by the…

Q: Explain the purpose of the Kirby-Bauer diffusion test?

A: Kirby-Bauer diffusion test/Disk diffusion method It is most widely used antibiotic susceptibility…

Q: What is Ames test ?

A: Ames Test : It was devised by a scientist 'Bruce Ames ' .  It is also known as Salmonella…

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 test could be used to differentiate between glucose and fructose? Explain

A: Glucose and fructose both are monosaccharide and are hexose sugar i.e having 6 carbon ring in their…

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: 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: Explain the reason for the effect on mass spectroscopy method of diagnosis by culture conditions.

A: Mass Spectrometry is an analytical method. It is used to quantify known materials to identify…

Q: Discuss sabin feldman dye test.

A: A Sabin–Feldman dye test is a serologic test for toxoplasmosis diagnosis. Toxoplasma trophozoites…

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: How can a suspect bacterium be fingerprinted?

A: DNA fingerprinting is a technique for detecting a high number of minisatellites in the genome at the…

Q: does ribose-5-phosphate pass fehlings test?

A: Fehling's test is one of the sensitive test for detection  of reducing sugars. Fehling's solution is…

Q: On the basis of the appearance of this place, what are you testing for? When you added a reagent to…

A: Catalase is an enzyme that reacts with hydrogen peroxide to form water and oxygen. Catalase enzyme…

Q: Why sucrose gives negative Benedict test?

A: Benedict's reagent is a chemical reagent which is a mixture of sodium carbonate, sodium citrate, and…

Q: What is the proper way of Modified Allen test?

A: Allen test are the tests used to assess the arterial blood supply of the hands. This test is used…

Q: How could hemophiliacs benefit from affinity affinity chromatography?

A: Hemophilia shows the X linked recessive pattern of inheritance.This disease mostly affected the…

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: How to test for reducing sugar?

A: Benedict's reagent often called Benedict's qualitative solution or Benedict's solution is a chemical…

Q: Can you identify 3 more chemical tests?

A: Proteins are the fundamental biomolecules, consisting of at least one long chain of amino acid…

Q: Name the reagent test for amino acids and proteins

A: Amino acids are the building blocks of proteins. The amino acid polymer which joins together with…

Q: Explain how to perform a catalase test and what a positive result looks like

A: Catalase enzyme is a common enzyme that is found in all living beings that survive in oxygen and…

Q: Make an illustration showing the steps in the Goldbeater’s test.

A: Tannins are phenolic compounds derived from plants. They are used in the preparation of leather. The…

Q: what is the tuberculin test, and why is it used in clinics?

A: Tuberculin  test It is a screening test for tuberculosis (TB). It is performed by injecting a small…

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: What is similar about this test and the TSIA test?

A: SIM medium is used to check different parameters such as Sulphur Reduction, Indole Production,…

Q: Why is cobalt chloride paper used in the experiments?

A: The indicators are used in the experiment to detect the distinct observable change. Many types of…

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: Which is better? A test with high sensitivity or a test with high specificity?

A: Tests can be differentiate from each other based on the differentiating evaluating factors.  The…

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: What is Gunning’s Test?

A: Quantitative assays are assays that give accurate and exact numeric quantitative measure of the…

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…