Why are only few drops of CuSO4 solution added during the biuret test?
Q: What is the result for the yellow tube of Methyl red test? What must the pH be in each tube? What is…
A: Methyl red test This test usually aims to differentiate the facultative anaerobes enteric bacteria.…
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: What would be the expected out come of a Nitrate reduction test If the bacteria is a pathogenic…
A: Nitrate Reduction Test is used to determine the ability of an organism to reduce nitrate (NO3) to…
Q: What is the chemical basis of the Xanthoproteic Test? Give the chemical reaction involved.
A: Protein is a nitrogenous organic macromolecule that is essential to human health. It is responsible…
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: How is the proper amount of water to be filtered determined? Why is this determination critical to…
A: The quality of water shows the water condition including biological, chemical, and physical…
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: Why do the results for the confirmed test represent faecal coliform in the analysis of water using…
A: MPN is Most probable number. It is commonly applied for testing the quality of water.
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: 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: 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 the purpose for testing a specimen for hydrogen sulfide production?
A: Hydrogen sulfide is produced when a bacterial strain reduces the sulfur compounds. The specimens…
Q: What is the principle involved in the Acrolein test? What is its purpose?
A: Qualitative tests are the chemical or physical tests involved in identification of certain…
Q: What is the significance and expected visible result of Test for the Presence of Sugar (Benedict’s…
A: Benedict's test is a test for simple sugars that are reducing in nature. Reducing sugars contain…
Q: Using 25 μL of serum, how much diluent would be needed to create a 1:2 dilution? ______ μL
A: The process of reducing a solute concentration by adding solvent to a solution is referred to as…
Q: What does the presence of gas in the Durham tubes for the presumptive test indicate?
A: Presumptive test : it is a test to identify bacteria from the large soil, water medium. It is known…
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: 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: What is the importance of adding NSS and Iodine in stool specimen for smears? Compare the two
A: Stool examination is required any abnormalities in gastrointestinal functioning
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: Describe the Ninhydrin test. What does Ninhydrin test detect?
A: The ninhydrin test is a chemical procedure for detecting ammonia, primary/secondary amines, and…
Q: same test, calculate the concentration of this test ? Concentration of standard
A: Given, Absorbance of urea = 0.335 Absorbance of standard = 0.214 Concentration of standard = 50…
Q: What is the Biuret test actually testing? Be specific. Why is it important to include a water only…
A: Introduction: The biuret test is an all-purpose test for detecting polypeptide chains in an analyte.…
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 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: 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: 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: If there is 50 bacterial colonies on a 1:1000 dilution streak plate. How many cfu/mL are there?
A: Introduction: A CFU stands for colony-forming units. It is a unit that we use for estimating the…
Q: If the five-digit code that is tabulated cannot be found in the EnteroPluri-Test Codebook, what that…
A: Prokaryotes are the primitive organisms that were the first to develop and harness life on Earth.…
Q: What is the principlels of in-dose test?
A: During the development of drugs, the efficacy of a new drug is typically determined by showing its…
Q: What are the clinical significance of red, black, and gray colored stool specimens?
A: Stools are collected to test several disease conditions like liver disease ,kidney disease , any…
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: What is the most commonly used fixative in stool samples and why?
A: Fixative is a moist environment for transporting and preserving intestinal parasites in stool…
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: why is the recommended incubation procedure for the API 20e system 18 to 24 hours ?
A: Introduction The API 20 E is a non-fastidious or Enterobacteriaceae, and Gram-negative bacteria…
Q: What is the coliform test when is it used? What is its purpose? How does it function? What are the…
A: All water that is naturally exposed to the atmosphere, such as rivers, lakes, and reservoirs. It is…
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: Once the completed test establishes the presence of coliforms in the water sample, why might you…
A: Water is tasteless, transparent, inorganic. Colorless, and odorless chemical substance. Its chemical…
Q: Based on these blood agar results, can you identify what type of hemolysis are occurring in these…
A: Hemolysis is the destruction of red blood cells. It can occur due to different causes and leads to…
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 kinds of organisms may be plentiful in a milk sample, yet give a negative reductase test?
A: Methylene blue reduction test is based on the principle of oxygen reduction by increased microbial…
Q: what are the Amino Acids that test positive for Ninhydrin test? what is the principle of detection?
A: All the alpha amino acids test positive for ninhydrin test.
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: Calculate the CFU/ml of a urine sample if 49 coli colonies were counted on NA when 50 microliters…
A: In both basic and applied research, microbiology is a highly significant area. Proteomics, genomics,…
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: Vol to transfer: ml ml ml ml Overnight culture
A: Serial dilution is a method used to decrease the concentration of a sample sequentially . During…
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 function of ''quinoline molybdophosphoric acid'' in the Phosphate Gravimetric Quimociac…
A: Gravimetric Analysis: It is a technique by which an analyte amount can easily be determined through…
Why are only few drops of CuSO4 solution added during the biuret test?
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- On the basis of the appearance of this place, what are you testing for? When you added a reagent to this plate, these bubbles appeared. What is the name of this reagent and what are those bubbles?What is the chemical basis of the Xanthoproteic Test? Give the chemical reaction involved.What is the purpose of Biuret’s test? In biuret’s test, does the color in each test tube containing the sample vary? Why or why not?