1. What is the chemical basis for a positive test in Barfoed's Test? 2. What is the chemical basis for a positive test in Seliwanoff's test? 3. What is the chemical basis for a positive test in Feighling's test?
Q: 7. Assuming that these are the 12 microplates. What is wrong with the result of the test? What do…
A: ELISA is an acronym for enzyme-linked immunoassay. Antibodies in the blood are detected using these…
Q: What is the use of heat in Seliwanoff’s, Benedict’s and Barfoed’s tests?
A: Carbohydrates are macromolecules comprised of carbon, hydrogen, oxygen. They are also known as…
Q: 4. acetic acid on the ammonium sulfate precipitation of albumin 5. presence of precipitate during…
A: Molecular techniques are important tools that help in filtration, isolation, and identification of…
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: 1. What are the sources, structural descriptions, and biological functions of gelatin, casein, and…
A: Protein is an organic nitrogenous macromolecule that is required for human health. In the human…
Q: J A positive result for Fohl's test is the formation of a black precipitate in the form of lead. O A…
A: Fohl's Tests - This test is performed to detect the presence of amino acids containing sulfur. The…
Q: 8. What are the steps done after the collection procedure? A. Dispose needle, dispose used supplies,…
A: Samples of blood, urine, etc. have to be frequently collected from patients for various tests.…
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: 1. Discuss the following test highlighting on the procedures and positive result: c. Compression…
A: Medical crises are life-threatening situations that require a quick assistance. The way we respond…
Q: I Wo wil now Use tubes 1A-4A O eet each solution for the presence of gar We wi be using Benedict's…
A: Starch is a complicated molecule with several smaller branches. The framework must be dismantled…
Q: 1. Draw/illustrate the chemical reaction involved in Barfoed's test and explain the purpose of this…
A: Qualitative tests: Qualitative tests are being done to test the presence of any particular component…
Q: II. Effect of temperature Observation(Time taken for the disappearance of blue-black colour) Test…
A: Introduction: Enzymes are organic biocatalysts that fasten the rate of chemical reaction that is…
Q: You already collected samples for the following tests, in what section of the laboratory will you…
A: Clinical laboratories are facilities of healthcare, where clinical tests are performed on patients…
Q: m depth in d
A: Duke’s bleeding time test can be defined as 3-4mm deep pricking of the skin through a lancet or…
Q: Which of the following is true of the phenol coefficient test? a. It is particularly reliable for…
A: Antibiotics are the medicines which are used to cure infections which are caused by bacteria. These…
Q: Discuss the underlying premise of each test that will be performed in this experiment. a. Biuret…
A: Amino acids are the building block of proteins. There are nearly 300 amino acids that occur in…
Q: 2. Describes the Molisch test. What are the materials and chemicals needed? What is the procedure…
A: Carbohydrates are the most abundant class of organic compounds found in living organisms. They are…
Q: 2. Write the equation involved in all 4 tests above. 1. Osazone test 2. Fehling's test 3. Benedict's…
A: The reactions of carbohydrates are used to identify reducing sugars. Osazone test : This is also…
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: Differentiate the following a. Foams test b. Smith's test c. Harrison's test d. Ictotest Table
A: Biochemical tests are tests that are performed on various bacteria in order to identify them based…
Q: SAMPLE OBSERVATION INFERENCE Oleic Oil No observable result A Pungent odor Pungent odor Pungent odor…
A: Oils are composed of fatty acids, lipids, and glycerides. Fatty acids are long hydrocarbon chains…
Q: How Teichmann test is performed and how do you relate it with forensic studies?
A: Forensic Science -- It is a branch of medical science . Forensic explains the relationship with…
Q: Which is true about Heat and Acetic Acid test? Protein is normally found in the blood and if there…
A: Often various tests are conducted to diagnose any undesirability in a person. These start from…
Q: What is the clinical significance of the following tests? Discuss what constituent is being detected…
A: Heller's test is a clinical test that was discovered by Austrian chemist Johann Florian Heller. It…
Q: make the test principle, materials required for the analysis, sample preparation, test procedure,…
A: A variety of organic compounds exist in nature. Among them, the nitrogen-containing organic…
Q: What is the difference between a Hemin test and a Benzidine test?
A: Hemoglobin is a blood protein that is responsible for oxygen transport in the tissues. Hemoglobin…
Q: in most probably number (MPN) testing what media is used for confirming test and what does a…
A: The Most Probable Number (MPN) is a method for estimating the concentration of viable microorganisms…
Q: Which Limit test is not found in the USP Calcium Gluconate drug substance monograph? A. Phosphate…
A: Calcium Gluconate is the anhydrous or if hydrous it only contains one molecule of water. Calcium…
Q: During the lumbar puncture 3 bottles are used: Why don’t they spin the sample that will be used for…
A:
Q: A test procedure calls for 5 mL of undiluted specimen. 2 mL of a 1:50 dilution is used. The answer…
A: Dilution is a procedure of reducing the concentration of a sample. This is usually performed by…
Q: Enumerate the common tests employed to the following dosage forms and give the reason why the test…
A: The various dosage form have to go through some test in order for them to be reagrded safe for use…
Q: 9. Which test will be positive in starvation state in urine? A. Benedict test and heat coagulation…
A: Starvation is the most severe form of malnutrition that occurs due to chronic deficiency of calorie…
Q: What is the purpose of Durham test ?
A: In the carbohydrate fermentation test, we determine whether the bacteria are able to ferment a…
Q: 1. What is the chemical basis of Molisch test?
A: Carbohydrates are biomolecules that consists of carbon, hydrogen, and oxygen. They are hydrated…
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: 3) A: Does the oil and detergent mix? а. yes) b. no B: Why or why not?
A: A lipid is any of a number of chemical molecules that are water-insoluble. Lipids are…
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: Would you expect the results from the MAC test to corroborate the results from the EMB test? Explain…
A: The investigation of microorganisms is significantly aided by the ability to culture them, that is,…
Q: Explain the mechanism of the ESR test. B. What is the clinical significance of the ESR test. C.…
A: The ESR (Erythrocyte sedimentation rate) is used to measure the degree of inflammation in body…
Q: After centrifugation, the serum had a noticeable red/pink hue. 1. What is the appropriate next…
A: Red blood cells are the oxygen-delivering cells in the circulation. Serum and plasma also form the…
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: 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: Which sample shows positive results in benedict's test? why?
A: Introduction: Benedict's test is a simple science test used to recognize reducing sugars.
Q: Create an illustrated step-by-step schematic diagram of the following Qualitative test for…
A: Baudouin Test and Huble’s Test are two qualitative tests for Oil/fat/lipid.
Q: 3. Formation and Composition of Film from Milk a. Place 10 mL of fresh milk in an evaporating dish.…
A: Milk is defined as a fluid or liquid which is secreted by the mammary glands present in the females…
Q: The Duquenois–Levine test is a valuable color test for___________.
A: In a forensic chemical analysis of an unknown material, the analytical method is to narrow down the…
Q: 1.Fill out the table below with the test results (Please use the ABO blood typing guide to verify…
A: ABO blood grouping was discovered by Karl Landsteiner in 1900. He gave the blood groups A, B, O, and…
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: 1. Conclude regarding the chemical composition of the formation of film in fresh milk in biuret test…
A: Biuret test and acrolein test are qualitative biochemical tests which is carried out to detect the…
Step by step
Solved in 2 steps with 1 images
- 1. a 1 mL stock sample is added to 9 mL Of diluent to make solution A, and then 2 mL of solution A is added to 18 mL of diluent to make solution B. what is the final dilution with respect to the stock? 2. in most probably number (MPN) testing what media is used for confirming test and what does a positive result looks like? 3. In Most probably number (MPN) testing what can be inferred from a positive result on the presumtive test?1. Conclude regarding the chemical composition of the formation of film in fresh milk in biuret test and acrolein test.1. What is the most common bacterial strain that causes Strep throat?2. How do you get strep throat?3. Why is the sample taken from the throat and not from the nasal cavity?3. Why is a rapid test performed first? What other tests are done to verify a positive test?4. How is Strep treated?
- Differentiate the following a. Foams test b. Smith's test c. Harrison's test d. Ictotest Table2. While conducting the Hydrogen Sulfide Test (SIM Agar) you open up one of the tubes and it gives off a rotten egg smell while another tube you cultured does not. What does the smell indicate? How come there was no change in color in the tube that indicated a positive test? Please explain how the color change is to occur. Think critically.1. Compare and contrast DAT from IAT based on procedure and clinical significance. 2. Explain the importance of the three phases of Indirect Coomb's test. 3. Differentiate the three potentiators used in Coomb's Test (PEG, LISS, 22% BSA)
- 1. List the different reagent strip tests with their principle 2. Enumerate 5 clinical significance for each reagent strip testsDiscuss the underlying premise of each test that will be performed in this experiment. a. Biuret Test b. Xanthoproteic Test c. Milson’s Test d. Hopkin’s Cole Test e. Reduced Sulfur Test1. How do you calculate the initial concentration of a sample? 2. Indicate whether you think that the number of cfu/ ml calculated would be too high or too low if you make this mistake. ~You add 9 ml of broth (water) to each tube. You add 1 ml of culture to the first tube and mix. You get distracted, and transfer 1ml of the dilutant (mixture of culture and broth) to the third tube instead of the second. You perform the rest of the series as described. High or LOW ?
- 1. What is the critical threshold between bacterial infection and simple bacterial contamination? 2. Why is aseptic technique important in urine collection? 3. Give at least 5 bacteria that can cause Urinary Tract Infection.2. What organisms are being differentiated in the butyrate disc test. Explain its reaction to the test.A 82-year-old female patient presents with a non-productive cough that often ends in wheezing , and difficulty breathing with painful inhalations. A. What specimen might you collect? B. What tests should be run on the sample and the patient? C. What might be the cause of this respiratory infection? D. Proposed treatment?