what are the Amino Acids that test positive for Ninhydrin test? what is the principle of detection?
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 would be the expected out come of a triple sugar iron test If the bacteria is a pathogenic…
A: TRIPLE SUGAR IRON TEST 1.The Triple Sugar Iron test is a microbiological test having ability to test…
Q: Between Enterobacter aerogenes and Enterobacter cloacae, which are positive or negative for methyl…
A: methyl red and Voges Proskauer tests both are biochemical tests for identifying bacteria in…
Q: What would be the result of hexan-2-one or hexan-3-one on Brady's and Iodoform test?
A: Principle of Brady's Test: 2,4-dinitrophenyl hydrazine(DNP) of Brady’s reagent reacts with carbonyl…
Q: Give the principle involved in the ninhydrin test. What is its purpose?
A: The principle involved in the ninhydrin test is that the two molecules of ninhydrin react with the…
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: Name the tests we used to test for marcomolecules.
A: The names of the tests used to detect macromolecules.
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: 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 other test(s) are used in parallel to Benedict’s test?
A: Reducing sugar: a. Carbohydrates that contain free aldehyde or ketone group and are in hemiacetal or…
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: Differentiate Widal from Weil-Felix test.
A: The Weil-Felix test detects typhus and specific rickettsial infections. Rickettsia is bacteria…
Q: In detection of urea in urine what are the mechanisms, reactions, possible result and interpretation…
A: Urea is considered to be a waste product synthesized in the body by the oxidation of amino acids…
Q: What is the purpose of the test tube containing distilled water in each test? Why is glucose called…
A: 1- The purpose of using distilled water as one of our test substances is that in a way it controls…
Q: yield
A: The Dische's test is a chemical test that is utilized to detect the presence of DNA in a solution.It…
Q: What is Zeta Sedimentation Ratio?
A: As per our answering policy, we can only answer one question at a time. Please post the other…
Q: Which test can show the hydrolytic reaction of a protein by Trypsin?
A: Amino acids are organic molecules involved in the condensation reaction to form long protein chains.…
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: Please explain the theoretical background (positive color reactions and what is being detected)…
A: Proteins are the polymers of amino acids. The amino acids are joined together by the peptide bonds.…
Q: What level of RF in serum is clinically significant? Why is a 1:20 dilution of patient serum,…
A: RF (rheumatoid factors) are a type of proteins that is produced by the immune system which can…
Q: How do you determine protein concentration using bicinchoninic acid assay?
A: Proteins are polymers that are composed of amino acids. Amino acids are in turn made up of a central…
Q: Discuss the medical application of the Benedict’s test? What other test(s) are used in parallel to…
A: Benedict's test is used to test for simple carbohydrates. Benedict's test identifies reducing…
Q: Why is the mucic acid test specific for the presence of galactose and Is glucose always present in…
A: Galactaric acid is another name for mucic acid. Galactose is a sugar which tastes less sweet…
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: can the phenol red test also be used to determine if a certain bacterium can metabolze various…
A: Differential media is a type of growth media used in the labs to grow and differentiate or…
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 is optical density (OD) and how is it measured? How is it related to the concentration of the…
A: UV–vis spectrophotometric optical density (OD) is the most commonly-used technique for estimating…
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 smith's test gives a green ring result in urine as a presence of bile salts? What is the…
A: Smith's test is to check the bile pigment.
Q: What is the principle of pettenkofer's test in detetecting the presence of bile salt in the urine…
A: The chief components of bile juice are the bile salts. Bile is a pigmented fluid having the color…
Q: Can galactric acid test/mucic acid test be used to determine the presence of milk in milk-chocolate…
A: A nutrient-rich white fluid secreted by the mammary glands of the mammals is referred to as milk.…
Q: Explain main difference would you see when conducting the nitrous acid test with aniline vs.…
A: Nitrous acid test with aniline will give stable diazonium salt as aniline is primary aromatic amine.
Q: This test will differentiate between aromatic amino acids with an acitivated ring from other amino…
A: We'll answer the first question since the exact one wasn't specified.please submit a new question…
Q: what is the name of general test used for amino acid
A: Amino acids are organic molecules that are made up of two functional groups that are amino group…
Q: What is the main purpose of Huble's Test? How does it differ/similar to Unsaturation Test? How do…
A: Lipids are a group of compounds that are oily or greasy in nature. They consist of alcohol generally…
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: WHAT IS THE IMPORTANCE/BENEFITS OF BENEDICT'S TEST IN TEST FOR REDUCING SUGAR?
A: BENEDICT'S TEST is a test used to identify the sugars (usually monosaccharides and some…
Q: Other than the PYR test, what is another use of the PEP reagent?
A: PYR is a colorimetric method used to detect the presence of pyrolidonyl arylamidase activity in a…
Q: how is the 0.5 McFarland standard prepared? What is the role of this standard in performing…
A: Antimicrobial susceptibility tests (AST) are microbial sensitivity tests that determine the…
Q: Please directly answer the theoretical background (positive color reactions and what is being…
A: All the given tests are qualitative tests for detection of protein. The tests are as follows:…
Q: What is the purpose of Biuret’s test? In biuret’s test, does the color in each test tube containing…
A: There are different biomolecules, including carbohydrates, protein, lipids, etc., are present. The…
Q: protein i
A: A blood test is conducted to determine the value of various bodily micronutrients, carbohydrates,…
Q: Is there a possibility for lactose to give a positive Mucic Acid test? Explain.
A: Monosaccharides upon treating with oxidizing agents here, nitric acid yield dicarboxylic acids by…
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…
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- Describe the Ninhydrin test. What does Ninhydrin test detect?Give the chemical principles involved in a positive Biuret test, Millon’s Test and Sakaguchi Test. What is the chemical basis of the Ninhydrin Test, Hopkins – Cole test and Sulfur reaction test? What chemical structure should be present in an amino acid or protein to give a positive Xanthoproteic test?What is the result for the yellow tube of Methyl red test? What must the pH be in each tube? What is the reagent used in this test? What media is used? Describe the biochemical abilities of these organisms .
- What is the main purpose of Huble's Test? How does it differ/similar to Unsaturation Test? How do this tests is conducted? What is the positive results for this test? What is the principle behind this test ?What is the purpose of the TSI test?Discuss the medical application of the Benedict’s test? What other test(s) are used in parallel to Benedict’s test?