If you have 50 ml of pure stock formalin solution how many ml of diluent will you need? What is the total volume of the reagent used you have prepared? Write down your answers with complete solutions and correct labels.

Q: What product is formed when the compound is treated with Benedict's reagent?

A:

Q: The table below summarizes the results for Millon's test. Provide the correct remarks from the…

A: Millon’s test is an analytical test used for the detection of the hydroxy phenol groups. Since the…

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: What is the purpose of doing the silver nitrate test? Write the chemical equation involved here

A: Introduction:  Silver nitrate is an inorganic compound and its formula is AgNO3 with a molar mass…

Q: Provide a chemical test/reagent that would differentiate each of the following pairs of compounds.…

A: Asked : Reagent and indication of positive test

Q: 2 L of 5 mg/mL gelatin solution from 1 g/mL gelatin solution

A: Gelatin is a food ingredient that is derived from collagen. It is basically a protein in nature.

Q: The 3 proteins have the following properties. Which is the correct order of steps to extract them?…

A: Protein extraction is a molecular biological method to isolate a particular one or two proteins…

Q: Our laboratory has a stock of 50 X TAE (Tris-Acetate) and the laboratory manager asks you to prepare…

A: Gel electrophoresis is a standard molecular biology procedure used for the separation of DNA by…

Q: Using DEAE-cellulose as ion exhange resin, indicate the starting and ending pH for the narrowest…

A: Chromatography is a technique for separating different components of a sample, where the analyte is…

Q: What are non-ionic detergents?

A: Detergents are cleansing agents and commonly made from synthetic resources such as petroleum…

Q: Calculate pNF concentration in each cuvette using Beer-Lambert’s Law.  ε = 18,000 M-1 cm-1; b =…

A: Spectroscopy is the interaction between electromagnetic radiation and matter. If transmittance T…

Q: Provide the Principles and detailed procedures of the following tests for the "Color Reaction of…

A: Hopkins - cole test Principle -In this test , concentrated H2So4 cause dehydration of tryptophan…

Q: How will you prepare a 5% BSA solution? Show all your steps.

A: BSA stands for bovine serum albumin, which is a protein extracted from cows' serum albumin. In lab…

Q: what is the effect and rationale when three milliliters instead of 1 mL was placed in the Petri dish…

A: Pour-plate method is usually the method of choice for counting the number of colony-forming bacteria…

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: A pharmacist prepares 80 mL of an isotonic solution of 1.1 %w/v Lidocaine HCl (E-value 0.2). To…

A: The ability of a solvent to cause cells to shrink or swell is referred to as tonicity. A…

Q: When conducting a flame test for sodium iodide, is the result positive or negative?

A: An ionic compound is one that is formed between a metal or metalloid and a non-metal. A Flame test…

Q: What test will identify this lipid?

A: The given lipid is sphingomyelin. It has Sphingosine as its platform molecule and Phosphocholine as…

Q: Plain soaps have what level of germicidal activity?

A: This question is based on action of the plain soap.

Q: You receive an order for 750 mL of 27% dextrose solution. You have available D50W, 1000 mL. How many…

A: Given, D50W means 50% dextrose solution, 100 ml 750 ml of 27% dextrose is desired Sterile water

Q: What non-titrimetric method can be used to determine the iodine value of edible oil? Discuss its…

A: Triglycerides are found in fats and oils. Fatty acyl esters join three fatty acids to glycerol to…

Q: What is the fluid thioglycollate medium? Please explain the testing and its results and the…

A: Microbiology laboratory uses various kinds of culture media to identify the biochemical…

Q: Why is it important that the agarose is exposed to ethidium bromide, which is either added to the…

A: Ethidium bromide is utilized during separation of fragments of DNA by agarose gel electrophoresis.…

Q: Each liter of an intranasal antibiotic solution contains 160 mg of gentamicin. You have 2-mL…

A: A number of gram-negative infections are treated with the aminoglycoside antibiotic gentamicin.…

Q: There is An order is received for 10 fl oz of a 5% solution. In stock is a 10% solution. How many…

A: Introduction:-  Initial concentration of solution is 25% and we have to make it 5% 300ml solution.…

Q: In a polyacrylamide gel electrophoresis, the gel consists of specific gel components. name them

A: A type of gel electrophoresis (GE) that is used to quantify and separate desired protein molecules…

Q: Ninhydrin test for amino acids or protein requires that sample test solution should be at initially…

A: Proteins are one of the essential macronutrients for a human body. The building blocks of proteins…

Q: which ane of the following reagents cannot be used for determination of lipid concentrations?…

A: Lipid is a molecule which is a part of cell and cell membrane. It gets dissolved only in nonpolar…

Q: In solubility test, why do we need to put the lipid samples in a direct heat after adding ethanol?

A: In solubility test, why do we need to put the lipid samples in a direct heat after adding ethanol?…

Q: Arrange the following in order of increasing Rf on thin-layer chromatography: acetic acid,…

A: Thin-layer chromatography is a method of separating non-volatile mixtures. Thin-layer chromatography…

Q: why would you perform an indole test?

A: The inside test is a qualitative approach of the biochemical analysis of bacteria that determine…

Q: What is meant by the term plating efficiency?

A: The cells are cultured over the plate at the particular growth conditions within a particular time…

Q: In water content determination How many mL of water is expected from a 20 g Digitalis sample…

A: A drug, often known as a medicine, is a chemical compound that has a biological effect on the human…

Q: By chemical structure, urethanes include: A. Nialamid B. Parmidin C. Picamilon D. Isoniazid E.…

A: Urethane is the type of polymer containing organic chains united by carbamate links. It is also…

Q: How do you make 70 ml of a 60% solution??

A: The making of solutions of different concentrations can be achieved with the help of principle…

Q: What will be the size of the larger product? O 5254 bp O 5192 bp O 5231 bp

A: Base Pairs -- Base pairs describes the relationship between the building blocks on the strands of…

Q: Lactic acid                                                       4 g Salicylic acid…

A: (a) Given that-   Mass percentage of camphor (20 % w/w) This means, 100 grams solution = 20…

Q: Instead of Molisch's test, what specific test can be used to detect the presence of pentose sugar?…

A: Molisch's test are used for the detection of carbohydrate.

Q: How will you know when the endpoint of the titration is reached? Why is it necessary to mix the…

A: Reaction  It is a process in which reactant molecules react to each other and form another molecule…

Q: if you perform a 1:5 dilution of a 1 M solution , how many parts of the 1 M solution do you use, and…

A: Dilution factor describes  ratio of aliquot volume to final volume. It is a notation often used in…

Q: what is the is the dilution factor when  you add 2 mL ssample of 8 mL diluent?

A: Dilution is a process of changing the concentration of the solution by addition of solvent, which is…

Q: What is the difference between a tincture and an aqueous solution?

A: Given: Explain the difference between a tincture and an aqueous solution

Q: What is the difference between agarose gels and polyacrylamide gels?

A: Electrophoresis is a method used in laboratories to separate DNA, RNA, and protein molecules…

Q: What is the driving force behind paper chromatography?

A: Chromatography is a laboratory method of separating the mixture into individual components. It…

Q: What will happen to the hard gelatin capsule if dissolved in water and vinegar for under 10 minutes,…

A: Hard gelatin capsules are made up of an animal based protein that is derived from collagen.plant…

Q: What concentration of ethanol is considered optimum for disinfectant? Why not 100%?

A: Disinfectant refers to the chemical agents that destroy or inactivate microorganisms on an inert…