Q: What direction does water flow when a dialysis bag containing a 3 M solution of the sugar fructose…
A: Concentration of dialysis bag containing sugar fructose = 3 M The bag is kept inside three different…
Q: What volume of the saline solution must be administered to the patient in order to deliver 7.7 g of…
A: In 0.9% Normal saline there are 9 grams of NaCl is present in 1000ml or 1liter Here we have to find…
Q: In a neutral solution, the [H] is : O 1.0x10-14M zero 1.0×107M 1.0x10-7M
A: The acidity of any solution is determined by the molarity of the Hydrogen ions. So, the pH of any…
Q: Solution of which chamber has a lower water potential?
A: Water potential is the name of the energy stored within each water molecule that drives their…
Q: The column efficiency is constant for a column that uses a cons tant eluent composition. What does…
A: The question is related to chromatography which helps to separates compounds from a mixture of…
Q: Why does blood cell become clear in distilled water?
A: There is a semi-permeable membrane which decides the entry and exit of the molecules from the cell,…
Q: During cell couting, when the data are plotted in an ordinary graph or on a cross-section paper, why…
A: For experiments involving growth of cells whether bacterial or eukaryotic the results of a growth…
Q: Why is there a need to filter the alkaline solution after adding the Barium chloride solution?
A: In an aqueous solution, barium chloride acts as a simple salt. However when dissolved in water, it…
Q: THE MAIN BUFFERS OF THE CELLULAR FLUIDS ARE EXCEPT a. HPO4 & H2PO4- b. НСОз- & Н2СОЗ c. NH40H &…
A: Introduction: The buffering system in body fluids provide an immediate response in fluctuations in…
Q: Explain the broth dilution method for determining minimum inhibitory concentration (MIC). Support…
A: The technique that is used to measure the "ability of an antimicrobial agent" to inhibit microbial…
Q: Which of the following solutions has the highest buffer capacity? K, of HCH;O=1.8x104 (а) 0.50 М…
A: Buffers are the solution that resists the change in pH after the addition of a small amount of acid…
Q: Composition of Cell Lysis Buffer Volume or Weight of Reagents Needed Required Concentration of…
A: Introduction Molecular biology deals with various techniques for study of structure and functioning…
Q: In using the centrifuge machine, how will this be remedied if there are only 3 separate liquid…
A: Centrifuges are laboratory equipment that is used to separate components in a mixture based on their…
Q: Why did the blank used in experimental procedures contain substrate, buffer and water?
A: A blank or blank determination is an analysis without a sample (Enzyme). Any enzyme assay requires a…
Q: Why potato strip increase in size when placed in distilled water?
A: Osmosis is defined as the movement of water molecules from the higher water potential region to the…
Q: Convert 12 pints to an equivalent volume in quarts.
A: In USA there's a dry pint and a liquid pint which measure different.Dry pint measures 550.6 ml and a…
Q: calculate the amount of urea if the patient urea nitrogen is 800mg/L?
A: Urea is the principal end product of protein and amino acid catabolism. Molecular weight of urea…
Q: 1. 2. 3. A* 4. H-
A: The solvation of a solute by water is called hydration.
Q: What is the [CH3COO−]/[CH3COOH] ratio inan acetate buffer at pH 4.00?
A: A buffer is a mixture of weak acid/weak base and its conjugate base/acid. It is an aqueous solution.…
Q: Calculate the amount of phycocyanin in Sample 1 in mg where A620=0.211 and A650=0.086, taking into…
A: Phycocyanin is a protein-pigment complex that belongs to the family of phycobiliprotein. It is a…
Q: Carbonic anhydride is an enzyme that is found in red blood cells. What do you think is the ideal…
A: Answer:- The name of the enzyme present in the red blood cells of the body is carbonic anhydrase.…
Q: Draw the product formed when oleic acid is hydrogenated
A: Oleic acid (C17H33COOH) belongs to class of alkenes. In oleic acid, 17 carbons are attached to 33…
Q: Define iodide pump.
A: Iodide pump : An integral membrane protein that co transports Na+ and I- into the thyroid follicles.…
Q: How should you prepare your running buffer?
A: SDS-PAGE is method of separation of protein based on its size. Running buffer of the SDS-PAGE…
Q: The data from thin layer chromatographic separation of analgesics showed ibuprofen distance to be…
A: Ibuprofen is solute here Distance travelled by Ibuprofen = 0.752 mm Distance travelled by solvent =…
Q: You are provided with a stock solution of 80mM ATP .Hpw much of this solution added to how much…
A: Adenosine triphosphate (ATP) is a biomolecule (nucleotide) composed of a ribose sugar, three…
Q: Why the normal saline normally contains 0.9 NACL (MW for NACL about 58g/mole)
A: Normal saline (NS) denotes an aqueous solution that contains 0.90 percent of sodium chloride (w/v).…
Q: Why is the absorbance spectrum of the iron (II) complex obtained first prior to measuring the…
A: Colorimetric analysis is based on how the intensity of a solution's colour changes as its…
Q: (i) (iv) 3.0 2.5 2.0 1.5 1.0 0.5 0.3 (ii) (iii) Air 20°C 101525Pa Limin
A: Bioreactor: It consist of a vessel where biological reactions takes place through the transformation…
Q: The strength of ionic interactions is weaker in water than inan anhydrous medium. Explain how water…
A: Ionic bonds are formed when two opposite charges come in close proximity to each other. Ionic bonds…
Q: What is the role of each component of gel running buffer (TAE and TBE)?
A: Buffers are important for any biological reaction. DNA/RNA must be mixed with buffer for separation.…
Q: a. What is the function of the SDS in the lysis buffer? the NaOH? b. What does the potassium…
A: These question are regarding plasmid DNA isolation
Q: How does a nitrate addition prevent sulfide souring ofcrude oil?
A: The presence of a higher concentration of sulfur in crude oil defines the sour crude oil. It is an…
Q: Why is it important tonanimize heat loss around the distilling head (the 3-way adapter that connects…
A: Distillation, the process that involves the conversion of a liquid into vapor at a specific…
Q: Why is transfat not good for the health? Explain briefly.
A: Let's start with examples of food containing transfat ( trans fatty acids)- Commercial baked…
Q: Why does Alka-Seltzer foam and bubble when dissolved in water? Which ingredient is the antacid?
A: Alka- Seltzar is a type of medicine which is used to cure indigestion, stomach pain or upset…
Q: Composition of Cell Lysis Buffer
A: We will do calculations to prepare 1 L (1000 mL) of lysis buffer.
Q: If you want to purify a DNA-binding protein from a crude mixture of proteinsat pH 7, should you use…
A: Introduction: Proteins can be separated by ion-exchange chromatography based on their net charge.…
Q: Make the following prescription isotonic with lacrimal fluid: 0.06 g Ephedrine sulfate (E = 0.23)…
A: Asked : Volume of sterilized distilled water (in milliliters) that should be added to the…
Q: What volume of a 40% v/v solution must be used to produce 500mL of 5% v/v solution?
A: The concentration of a drug is generally determined by the dilution of the drug. Various types of…
Q: Why HCL is more concentrated than NaOH in titration?
A: The concentration of any molecule in water can be defined as no, of molecules of that particular…
Q: An unknown sample was titrated with CH3COOH. After making the titration curve, no steep change was…
A: CH3COOH is a weak acid hence it will not dissociate completely in the aqueous solution to form…
Q: What will happen if the water completely evaporates and was not replaced immediately? How will this…
A: The unknown concentration of sugar in a sample can be estimated by titration of the sugar sample…
Q: acetate buffer works on fumarase activity but tris-maleate buffer does not
A: Fumarase is an enzyme that catalyzes the reversible conversion of fumarate to malate in the TCA…
Q: Why should thioglycollate broth not be used if it is pink in color throughout the tube
A: Differential media is a type of growth media used in the labs to grow and differentiate or…
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…
why should the ethanol/lystate boundary not be distrubed
Trending now
This is a popular solution!
Step by step
Solved in 2 steps