Wintrobe from Westergreen regarding accuracy of the test in a tabulated order.

Q: Compare and contrast Benedict’s Test, Reagent Test, and Iodine Test in terms of materials used

A: Benedict's Test is used to test for simple carbohydrates. The Benedict's test identifies reducing…

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: Which is the commonly occurring sugar in milk? Will the milk containing this sugar gives a positive…

A: The nutrient-rich drink, which is produced with the help of mammary glands in mammals, is called…

Q: What is different between Benedict test that use for qualitative determination and quantitative…

A: Glucose is the monosaccharide carbohydrate that has a free carbonyl group i.e. aldehyde which makes…

Q: Explain the process behind coulometry.

A: Coulometry is a method which is based on the measurement of the quantity of electricity  which is…

Q: Write the materials,  reagents, Principle and  procedure for the Periodic acid Schiff technique

A: Answer: STAINING = It is the method to colorize the smear or transparent tissue or cells in order to…

Q: The ___________ color test reagent turns orange-brownin the presence of amphetamines.

A: A biochemical substance that induces physiological responses, when introduced into the body, is the…

Q: eservatives cannot be used for direct + mount ?

A: The disease is a state of the body in which the physiological mechanisms do not function in a normal…

Q: Write down the materials, reagents, Principle, procedure and results for  Methamine silver…

A: Methamine is a heterocyclic organic compound. It has a molecular formula of (CH2)6N4. It has widely…

Q: Positive with Molisch Test, but negative with both Iodine Test and Benedict's Test.       Glucose…

A: Carbohydrates are identified with different tests like Molisch, Iodine,Benedicts test.

Q: Wintrobe from Westergren

A: Wintrobe test and Westergren test are both used for ESR. ESR is erythrocyte sedimentation rate. It…

Q: Outline a method for a fully quantitative test for reducing sugars. Please keep it simple

A: A reducing sugar is a carbohydrate that contains a free aldehyde or alpha-hydroxyketone group that…

Q: How are clinical chemistry test results used to confirm or rule out a presumptive diagnosis? Why is…

A: Any medical test's primary goal is to assess if a patient does or does not have a specific disorder.

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: Which of the following below will show a NEGATIVE result in Huble’s test? Group of answer choices…

A: Lipids are carboxylic groups is attached to a long hydrocarbon chain. On the basis of the presence…

Q: What is the purpose of adding dishwashing liquid into the banana mixture? What reagent is used in…

A: DNA extraction is the method of isolation of genetic material ( DNA ) from plants , animals or any…

Q: Which is the better reagent for the clinical test between Fehling's solution and Benedict's…

A: The reducing sugars get oxidized by reducing some other component. This reducing property of these…

Q: When conducting the Triple Sugar Iron Test, what is the result of the bacteria Staphylococcus…

A: Triple Sugar Iron Agar test is a test which has three sugar (Lactose, Sucrose, and Glucose) and 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: Which test can be used to differentiate mannose and maltose?     Molisch Test     Seliwanoff’s…

A: Introduction: Mannose is monosaccharide and Maltose is a disaccharide of glucose. Mannose is a sugar…

Q: The following figures are the photomicrographs of the samples taken with Kern&Sohn Camera Microscope…

A: Ans: Lugols solution: The Lugols solution is 2.5 to 25% weight by volume total iodine.

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: Write down the materials , reagents ,instruments,  principle and procedure for Grocott’s hexamine…

A: The Grocott's hexamine silver stain is used to demonstrate fungi. It is a part of histopathology…

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 importance of the Nitrate test? What information can we gather from this test? Please…

A: Nitrate broth used in the nitrate test contains nutrients and potassium nitrate as a source of…

Q: What are other major contributions of Alfred Hershey besides the Waring Blender experiment?

A: Genes are the fundamental unit of heredity. They store genetic information in the form of DNA, which…

Q: Why is it necessary to perform a plate count in conjunction with the turbidimetry procedure?

A: Plate counting is one of the most fundamental techniques used in microbiology. It is used to…

Q: True or False: In the soil test for phosphorus, using the soil test kit, adding solution E will…

A: The acidity or alkalinity of the soil determines how easily the plants take up the nutrients from…

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: WHY IN INDOLE TEST A COLORED RING FORM AT THE TOP OF THE CULTURE MEDIA BUT NOT THE WHOLE CULTURE…

A: Indole test is a biochemical test for distinguishing between Enterobacter aerogenes and Escherichia…

Q: Actual resut or product Name of test Test compound Reagents used Formaidehyde Benzaidehyde Tollen's…

A: The chemical group that consists of a carbonyl-carbon atom and a carbonyl-oxygen atom that are…

Q: Briefly describe the phenol coefficient test.

A: Sterilization is a process that involves the removal of harmful microbes either by inhibit the…

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: The most commonly employed chemical test to determine the presence of blood in stain found at the…

A: Answer is option E"Teichman's test". this test is also called by names haematin crystal acid test or…

Q: To measure the culture temperature, why is the thermometer placed in a tube separate from the…

A: A microbe or microorganism is a microscopic organism that is too small to be seen with the naked…

Q: Would lactose + lactase be positive or negative for the Iodine test?

A: Lactose is a disaccharide that is commonly found in milk. Lactose is also known as milk sugar.…

Q: Directions: Indicate whether the given compound will yield positive (+) or negative (-) results.…

A: Macromolecules present in food include carbohydrates, proteins, and lipids along with micronutrients…

Q: Write down the materials, reagents, Principle, procedure and results for Mann’s methyl blue-eosin…

A: Polychromatic solution of Methyl Blue and Eosin Y stains (modified Mann's solution) is  used for…

Q: Describe the proper technique for performing reagent strip testing.

A: These are the plastic strip consists of chemicals. It changes colour when dipped in urine.

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: Which among the ingredients of this product is the main preservative? Explain.

A: For centuries, people have been preserving food. It all began with the ancient practice of…

Q: sabuoraud slope culture contains a black mould. describe a diagnostic method you can use to identify…

A: Introduction:-  SDA is essentially utilized for the particular development of yeasts, molds and…

Q: Write down the materials, reagents, Principle, procedure  and results for Ziehl-Neelsen stain

A: It is a differential staining technique which was first developed by Ziehl and later on modified by…

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: 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: 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: 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…

Microbial Isolation

Isolation of the microorganisms in microbiology is the process of developing a pure culture by separating one species of microbe from a mixture of many other species. A pure culture is a culture that contains only one species of microbe.