The turn tonicity Refers to the strength of solutions. True or false?

Q: As pH decreases, a solution becomes more acidic.

A: The estimation of the concentration of “hydrogen ions” in the solution is known as the potential of…

Q: Define concentration

A: The term concentration has different meanings in different context. Here, the biological or…

Q: If the following lipids are present: phosphatidylserine / phosphatidylcholine / sphingomyelin /…

A: The structures of Triacyl glycerol, Phosphatidyl choline, Phosphatidyl serine, Sphingomyelin and…

Q: Given a stock protein solution with a concentration of 3 mg/ml, determine the protein concentration…

A: Stock solutions are used in many laboratory procedures, in order to save space for keeping larger…

Q: Knowing that the solute concentration of blood is 0.9%, if you were to make 100ml of an intravenous…

A: Given, the solute concentration of blood = 0.9%. We have to make 100mL of the intravenous (IV) fluid…

Q: Our biological fluids are much buffered by the biomolecules they contained. Name the  two…

A: Buffers when added to a solution prevent any change in pH, maintaining the pH of the solution.…

Q: Which of the following represents a Buffer solution?

A: Buffer solution can be defined as the solution which resists changes in pH when acid or alkali is…

Q: How much solute do you need to make 250 ml of a 3M stock of glucose?

A: The Molarity of a solution is the number of moles of a solute dissolved in a liter of solution. That…

Q: How would you prepare 500 ml of 150 mM glucose? [mwt glucose = 180 g/mole] Be sure to include all…

A: Glucose:  A basic sugar, glucose has the chemical formula C6H12O6. The most prevalent…

Q: Specificity Specificity is the ability to measure accurately and specifically the analyte of…

A: To calculate the recovery percentage for each solution, you need to compare the peak areas obtained…

Q: Define the following terms:a. acidb. basea. weak acidd. weak basee. conjugate base

A: Introduction: A biochemical reaction occurs inside the cell when one molecule changes into a…

Q: Why does adding acetic acid to the milk improve the extraction efficiency of the pentobarbital? You…

A: In liquid–liquid (solvent) extraction, the solute partitions itself between two immiscible phases.…

Q: Is the statement true or false?

A: This statement can be prove by Salting effect which is given by Debye- Huckle theory. In this theory…

Q: Cholesterol Dissolves in the polar solvent O False O True

A: Introduction: Lipids are organic substances moderately insoluble in water, soluble in organic…

Q: Why does buffers is significant inside a human body?

A: A buffer system is a solution that resists a change in pH when acids or bases are added to it.…

Q: Which of the following positively-charged ions is about 15 times more concentrated outside of the…

A: Action potential generates when the neurons want to pass the information along the body from its…

Q: Based on the pH of your drug, if your drug was in a high concentration in the blood, how would it…

A: The drug captopril is used to treat Hypertension and conditions of heart failure as it vasodilates…

Q: The negative logarithm of the hydrogen ion concentration of an aqueous solution defines the of that…

A: Negative logarithm of the hydrogen ion concentration concept to determine acidity of a solution was…

Q: a MD order 15 millimoles of potassium phosphate (MW 136). How any milligrams are need for this does.…

A: Empirical Formula: H2KO4P Formula Weight (g/mol): 136g/mol Desired concentration: 15mM

Q: Choose the FALSE statement   An indicator can be used to monitor a buffer range   When pH equals…

A: False statement is asked out of given options.

Q: The pH of a solution is an abbreviation conveying what information about that solution? A solution…

A: More the dissolved H+ ions more acidic is the solution, and if the number of dissolved OH- ions…

Q: The chemical reaction where an aldehyde or ketone reacts with an alcohol in the presence of an…

A: Functional groups are the chemical entities which provide specific characteristic for reactions to…

Q: In biological systems, buffers are important because they facilitate changes in pH to enhance…

A: A biological buffer is an organic material which acts as a H+ ions neutralizer. A biological buffer…

Q: Water potential has various components. Discuss how these components influence the water potential…

A: The potential energy in water, or the difference in potential energy between a given water sample…

Q: Electrostatic interactions among amino acid residues on proteins may be damped out by high…

A: Amino acids are biomolecules that have a hydrogen atom, an amino group, a carboxyl group and a…

Q: Other proteins, such as antibodies, have polypeptide subunits that behave differently.  They lose…

A: Proteins are polymers of amino acids linked by peptide bonds (covalent) by condensation reaction…

Q: Define a buffer and explain how a buffer works. [Note: be sure to address the role of conjugate…

A: Aspirin is an acetylsalicylic acid synthesized from the esterification of salicylic acid. Salicylic…

Q: Why is pH important for the buffer?   The pH is important to the stability of the gel.     The pH…

A: @ Why is pH important for the buffer?  Answer - pH is important for buffer for processes and/or…

Q: Is a solution highly concentrated if it is saturated? Is a solution saturated if it is highly…

A: A saturated solution is a solution in which the solvent cannot dissolve any more solute to increase…

Q: Concentrations and volumes are NOT the same thing. Concentrations are in units of mass/volume (i.e.,…

A: The solution is a mixture that forms when a solute is dissolved in a solvent. The solvent is a…

Q: Another characteristic of modern buffers such as HEPES is that their pH changes little with changes…

A: Base and acid both interact with each other and form salt and water. They both are used in everyday…

Q: Suppose you have 150 mL of a 2.4 M glucose solution. How many moles of glucose do you have

A: Molarity is a term to define the concentration of a solution.

Q: In biochemistry, what is definition of buffer , which amino acid can act as buffer? what is buffer…

A: The functioning of many molecules such as proteins, nucleic acids etc. depends on pH. The pH in…

Q: The particles resist collision due to the high zeta potential in a suspension containing negatively…

A: Introduction Zeta potential measures the degree of repulsion between the charged particles. High…

Q: How many more H+ ions does soda pop have compared to pure water?

A: The pH is defined as hydrogen potential. The pH scale is used to measure the solution whether it is…

Q: A culture medium consisting of known amounts of glucose, NaCl, and ammonium and potassium phosphate…

A: Culture medium is a nutrient medium which is used to grow microorganisms by providing appropriate…