for each choice, the item in front of the semicolon (;) goes into the first space. the item behind semicolon goes into the second space. for example if a choice says- "buffer; increase", buffer goes into 1st space and increase goes space buffer; neither increase or decrease base; decrease base; increase acid; decrease

Q: Imagine that you have a jar of syrup A and a plastic Ziploc bag of syrup B. You poke tiny holes in…

A: Answer Water moves from the bag to the jar

Q: Maintaining pH homeostasis is critical for our body cells to remain healthy and to function well. In…

A: The functioning of all living organisms is often challenged by internal and external changes. Hence…

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: Hydrolysis of a polysaccharide is accompanied by order. AG and negative increased zero unpredicted…

A: This is because the hydrolysis of polysaccharides, like the breakdown of starch or cellulose into…

Q: Define concentration

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

Q: There are two solutions with different pH levels. Solution A is neutral, with a pH of 7. Solution B…

A: A buffer is an aqueous solution that resists changes in pH upon the addition of an acid or a base.…

Q: a cell produces acids during its normal activities, which are released into the external environment…

A: Cells are able to maintain a constant pH irrespective of fluctuating external pH.

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

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

Q: When you plot the protein concentration against absorbance you expect to have a ______________…

A: In the case of proteins, they often exhibit a characteristic absorption at specific wavelengths due…

Q: Your patient drank the following liquids for breakfast: 220 ml of orange juice, 180 ml of milk and…

A: Fluid intake is essential for the proper functioning of the body. It helps maintain the balance of…

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

A: The effective osmotic pressure gradient is measured by the tonicity, which is the water potential of…

Q: If you crate the absorbance spectra of a solution containing dna protein and buffer using buffer as…

A: The absorbance spectrum is formed by plotting the Absorption values against the wavelength at which…

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: 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: You find a vial of clear, unknown sample in the freezer of your lab. The easiest way to determine…

A: We have to find the easiest way to determine the presence of proteins in a sample vial.The given…

Q: Using this information, answer the questions below: SOLUTE TESTED FOR POSITIVE CONTROL (COLOUR)…

A: We can test the presence of different kinds of solutes or substances in the unknown solution by…

Q: Select the statements that correctly describe SDS‑PAGE. SDS‑PAGE is a protein used as a loading…

A: SDS-PAGE (sodium dodecyl sulfate-polyacrylamide gel electrophoresis) is a common technique used in…

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: You have a0.5 g/mL stock solution of protein.  To make 100ml of 5g/mL solution, add ______ of stock…

A: The concentration and the volume of the stock solution in an experiment were measured by using the…

Q: What is the one letter code for this amino acid? What is the pH range that this amino acid will…

A: Amino acids are the smallest subunit of the protein, which is known to form a complex protein…

Q: What is the one letter code for this amino acid? What is the pH range that this amino acid will…

A: Amino acids are organic compounds that form the building blocks of proteins that are important for…

Q: As the pH increases the [ H+ ] ____, and as the pH decreases the [ H+ ] ____

A: A solution's acidity or alkalinity can be determined by the pH scale, which measures hydrogen ion…

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 PH formula is given as PH=-log(H+).  The H+ is the number of free ions of hydrogen.  A seven PH…

A: pH means "Power of Hydrogen" or "Potential of Hydrogen". pH Scale is a scale used to quantify and…

Q: When pure hemoglobin (molecular mass of 64,000 Da) is separated by the following methods, what major…

A: Hemoglobin is a tetramer composed of two alpha and two beta subunits. The Molecular weights of the…

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: What is a loading buffer and how does it function? What does 10x loading buffer mean?

A: Gel electrophoresis is a technique extensively used in molecular biology research to separate and…

Q: Serena uses a 25-mL buret in order to transfer approximately 20 mL of a liquid into a beaker. In her…

A: When reporting of the values obtained in the experiment, it is necessary present the accurate and…

Q: If a solution contains equal concentrations of ions, the compound that will precipitate first is?…

A: When two ions come together in a solution, they may form a compound that is insoluble and…

Q: What is the effect of adding a small amount of a strong acid or strong base to the acidity of a…

A: Acids are substances that are capable of donating hydrogen to other substances. Acids are also…

Q: You have 12 mL of cells you need to treat with Hydrogen Peroxide (H2O2), such that the final…

A: Given , Volume of cells = 12 mL Final concentration of H2O2 = 50 uM The amount of 30 mM stock…

Q: (please type answer fast).

A: The objective of this question is to calculate the pH of a buffer solution after the addition of a…

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: At high salt concentration, proteins are less soluble. Changing the solubility of a protein based on…

A: Salting out procedure can be used to precipitate large biomolecules, such as proteins or DNA. The…

Q: You are given a protein solution with a concentration of 0.15 mg/ml. We need 10 μg for an…

A: The high concentration solutions used for dilution are called stock solutions. A stock many contain…

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: Three proteins with an overall charges of 0, -5, and -8 are passed through an anion exchange column…

A: Protein surface charge changes with pH and it is indicated by protein's isoelectric point or pI.…