What is the color result of 1% solution of casein, Albumin, Gelatin in ninhydrin test? Include picture and interpretation
Q: When viewing the capsule stain, why do the capsules appear colorless? Explain
A: According to guidelines we have to answer the first question only. so please kindly post 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: Assuming that these are the 12 microplates. What is wrong with the result of the test? What do you…
A: There are few important points : ELISA : Enzyme linked immuno sorbent assay is used in diagnosing…
Q: Transillumination is used clinically for the detection of:
A: Transillumination is an examination that is done with the help of a strong light shining on a…
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: What are the principle and basic concepts of DIFFERENTIAL staining?
A: The simple dye is used in the technique of simple staining to highlight only the specific structures…
Q: Why must heat or a surface-active agent be used with application of the primary stain during…
A: During acid fast staining first of all heat is used to fix the bacterial smear onto the slide.…
Q: What is the purpose of acid-fast staining? What information can you gain from this procedure? Please…
A: The acid-fast stain is used to identify acid-fast organisms. Acid-fast organisms posess nearly…
Q: An unknown sample was tested if there is a presence of lipid, after the test it shows that it is…
A: A group of organic compounds includes lipids that are insoluble or poorly soluble in water.…
Q: Sodium Dodecyl Sulfate-Polyacrylamide Gel Electrophoresis (SDS-PAGE) 1. Why do you destain the gel?
A: There are various electrophoresis techniques used for the separation and identification of proteins.…
Q: Why is it necessary to use a 24-hrold culture in gram staining?
A: Note: Since you have posted multiple independent questions in the same request, we will solve the…
Q: What are the principle and basic concepts of NEGATIVE staining?
A: Introduction Staining is a technique for enhancing contrast in material, usually on a microscopic…
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: Test Reagents Used Positive Color Purpose Structure of Chemical Change 1. Biuret test 1% CuSO4 in…
A: Proteins are essential biomolecules, consisting of one or more long chains of amino acid residues.
Q: A plant isolate was subjected to qualitative tests to determine the presence of macromolecules.…
A: Qualitative tests detect the presence of specific molecules in a sample solution. There are…
Q: Choose the dyes or reagents used in the Endospore stain. (More than one choices are correct) a…
A: Simple stains- A stain that employs a single stain to color a bacteria: they are quick and easy.…
Q: What stain technique is used here? What is the primary stain, mordant, decolorizing agent, and…
A: What stain technique is used here? What is the primary stain, mordant, decolorizing agent, and…
Q: Gram staining is the most common initial test of unknown identification, explain in your own words…
A: The Gram staining is a typical process that is used to separate two groups of microorganisms based…
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: What is the color result of 1% soultion of casein,albumin ang gelatin in biuret test? Results and…
A: Biuret test detects proteins and peptide having at least two peptide bond. It is used as a general…
Q: Define D-dimer test and how to interpret the test. The reference range is in the table below Test…
A: Platelets are the cellular components of the blood that are involved in blood clotting, which is a…
Q: A tampered sack of powdered milk was analyzed by getting 50 grams of composited sample and diluting…
A: Dilution : We know that the solute of the concentration will be decreasing in solution . There is a…
Q: What is the purpose of Xanthoproteic test and explain the observation or rection for albumin and…
A: Xanthoproteic test is a type of colour test to detect a specific functional group, structural…
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: What are the principle and basic concepts of Simple staining
A: The simple staining doesn't give a lot of data about the cell separated from the bacteria'…
Q: Ninhydrin Test Samples used: Egg Albumin Gelatin Dispersion Added reagent: Ninhydrin Solution…
A: Ninhydrin is a general test for proteins and amino acids. It degrades amino acids into aldehydes,…
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: Below I have attached the image of gram stain. -We need to find the name of the compound. And after…
A: Gram negative bacteria - The bacteria which are unable to retain crystal violet stain in the process…
Q: a.) Give the purpose of heat fixation. b.) What can be observed in wet mounts or hanging-drop slides…
A: The Purpose of fixation of a smear is as follows: 1) Tissue Killing- As this will help to prevent…
Q: The reults for the macroscopic part: 0.30M glycerin – solution was translucent (could see text…
A: Osmolarity is defined as the number of moles of solute present in 1 litre of solution. When a…
Q: What will happen to the gelatin if you put cooked pineapple and fresh pineapple in a Bromelain test?
A: Gelatin is made from disintegrating animal hides, boiled pulverised bones, and cattle and pig…
Q: What is the color result of tryptophan,tyrosine and phenylalanine in xanthoproteic test? Results and…
A: Xanthoproteic test was a specific test that was done to detect the presence of aromatic amino acids…
Q: How else could you test for purity of the phycocyanin sample? Briefly outline the steps to be taken
A: C-phycocyanin is a promising naturally/pharmaceutical agent with more well-documented…
Q: 7. Short answer. Professor Forni has hired you as a research assistant and you need to make an X-gal…
A: Questions are more than one. Please repost the other questions separately. X-gal staining is central…
Q: the image contains results of the fluid thioglycolate medium tests. Please explain the results and…
A: Fluid thioglycolate medium test It is a multipurpose and enriched test. It is a differential medium…
Q: With the constants you have for each objective, compute for the sizes of the given cells below.…
A: As we know that cell is the structural and functional unit of life it performing all the essential…
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: At the station there is a 2 mL microcentrifuge tube containing sheep blood and 3 tubes containing…
A: Homolysis or hemolytic cleavage is the cleavage of chemical bond usually in the presence of light or…
Q: What is the secondary stain in both acid-fast stain methods?In the Ziehl-Neelsen acid-fast stain,…
A: Staining is a technique used in slide preparation to color the specimen. With light microscopy,…
Q: What are the colour changes occur to the reducing sugars after benedict test is performed? Please…
A: Reducing sugar is a sugar that is capable to act as a reducing agent. Reducing sugars are the ones…
Q: You can perform a specific staining method to confirm the purity on the culture. Describe this…
A: Staining methods are used to differentiate between two bacteria depends on their cell wall. To…
Q: acillus cereus bacteria, in staining reaction tests, such as A.simple staining B.gram staining C.…
A: Answer
Q: Plating 0.1 mL of a sample diluted by a factor of 10^(-3) produced 43 colonies. What was the…
A: The question asks the original concentration (OCD) is to be identified in an undiluted…
Q: Write the instructions, reagents, principles and the procedures for the following. 1. Periodic acid…
A: (AS PER OUR GUIDELINES WE ARE PROVIDING YOU ANSWER OF 1ST TWO QUESTIONS. YOU CAN POST OTHER…
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: In acid fast staining, lipoidal material of acid fast cells absorbs the methylene blue. Upon the…
A:
Q: Monospot: inconclusive Heterophile antibody titer of 1:56 Differential tests:…
A: Introduction The heterophile test is the most common and specific test to confirm the diagnosis of…
Q: In RPR test, Why is it necessary to rotate the slide/card?
A: RPR stands for Rapid Plasma Reagin. It is done to detect syphilis.
Q: Provide the Experimental procedure of the following: Example: Ninhydrin Test -The samples needed…
A: There are many tests that are used for distinguishing the different samples of proteins in the…
Step by step
Solved in 2 steps with 1 images
- What is the color results of tyrosine,phenylalanine,alanine in millon test? Results and reference plsGive the procedure of Sabin-Feldman dye test. Describe the positive and negative results.This test gives yellow solution, indicating the presence of proline* A. Biuret B. Ninhydrin C. Hopkins-Cole D. Lead acetate E. None of the given options
- The table below summarizes the results for Millon's test. Provide the correct remarks from the results if Negative for Millon's Test or Positive for Millon's Test and if Contains phenolic hydroxy group or Does not contains phenolic hydroxy group.What does translucent spot mean with regards to lipid? Identify the control for this test. 1. Oil 2. Cheese 3. Water 4. CheeseWhat is the color result of 1% soultion of casein,albumin ang gelatin in biuret test? Results and interpretation with reference
- Discuss sabin feldman dye test.Methyl red test Does a Phenol red organism have to be methyl red?Lead nitrate Stock Solution— Dissolve 159.8 mg of lead nitrate in 100 mL of water to which has been added 1 mL of nitric acid, then dilute with water to 1000 mL. Standard Lead Solution— On the day of use, dilute 10.0 mL of Lead Nitrate Stock Solution with water to 100.0 mL. Standard Preparation— Into a 50-mL color-comparison tube pipet 2 mL of Standard Lead Solution, and dilute with water to 40 mL, and mix. Test Preparation— Into a 50-mL color-comparison tube dissolve 1.0g ascorbic acid (mol wt 176.12) in 25 mL of water, dilute with water to 40 mL, and mix. Procedure— To each of the two tubes containing the Standard Preparation, the Test Preparation, add 2 mL of pH 3.5 Acetate Buffer, then add 1.2 mL of thioacetamide–glycerin base TS, dilute with water to 50 mL. Mix, allow to stand for 2 minutes, and view downward over a white surface. The color of the solution from the Test Preparation is not darker than that of the solution from the Standard Preparation. The colour is formed when…
- Provide the Principles and detailed procedures of the following tests for the "Color Reaction of Proteins". 1. Hopkins-Cole Test 2. Sulfur Test 3. Heller's TestWhat are the mechanisms of samples separation work in Thin layer Chromatography? Please shortly write at your own words. Answer should be to the point (5-6 lines maximum).What is the purpose of the sodium thiosulphate in the testing of treated water?