Is lysine a suitable buffer at acidic, neutral, or basic pH range and why? What are the functions of lysine in human health?
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A: In our body, only proteins and nucleic acid are known to comprise nitrogen. When the body…
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Q: 46. Assume that a person weight about 220 lbs and is working in temperature-controlled environments…
A: Water constitutes 60% of the body weight and is essential for the proper functioning of the various…
Q: What two ions are responsible for the stacking of the proteins in the stacking gel? Which is the…
A: The purpose of the accumulating gel is to concentrate all proteins of different sizes in a…
Q: Many of the buffers used these days, such asHEPES and PIPES, were developed because they have…
A: A buffer is a solution that prevents the pH of a sample from decreasing or increasing when acids or…
Q: what is the molar concentration of 80g of glucose dissolved in sufficient water to make two liters…
A: We know, the molecular weight of glucose is 180.1 g/molThe molar concentration of 80g of glucose…
Q: Based on the pka values of the amino acids, is there any amino acid that could serve as a buffer at…
A: Amino acids are chemical molecules with amino and carboxyl functional groups as well as a side chain…
Q: What is the role of a buffer in living organisms?
A: Homeostasis is a kind of "self-regulating" process by which the biological systems maintain their…
Q: Buffers are aqueous solutions that tend to resist changes in pH when small amounts of strong acid…
A: A buffer is an aqueous solution that controls the changes in pH. A physiological buffer system…
Q: What important role do buffers play in organisms? What prevents a strong acid or strong base from…
A: Introduction: Acid-base balance is a mechanism that the body employs to maintain the pH of the body…
Q: Why are buffers important in living systems? please explain
A: A buffer is a solution that can withstand pH changes when acidic or basic substances are added to…
Q: what is the molecular nature of the substance responsible for the acid-fast property of an organism?
A: The capacity of a bacterium to resist decolorization by acids during staining methods is known as…
Q: What are the physical properties of water of physiological importance? Explain
A: Water is a universal solvent with chemical formula H2O which is made up of 2 hydrogen atoms and one…
Q: What kind of Biomolecule is Sodium Aluminium Phosphate?
A: Sodium aluminium phosphate describes the inorganic compounds consisting of sodium salts of aluminium…
Q: In your own words, what is a buffer solution and how does it work? *
A: The pH scale is used to detect whether an aqueous solution is acidic or basic. Acidic solutions have…
Q: What is the function of buffer ammonia in the body?
A: The physiological acid– base balance is tightly regulated to keep the arterial blood pH between 7.38…
Q: What is an hypotonic solution?
A: Tonicity is a proportion of the viable osmotic pressing factor inclination; the water capability of…
Q: amino glycine pKa is 2.4, 9.8 Calculate the most effective buffering range. if there is two pka,…
A: The amino acid is the smallest monomer of the protein, which acts as a buffer system.
Q: Why is it essential for compounds like salt (and glucose) to soluble in the water found in our body?
A: In our body, glucose and salt are important molecules. Glucose is an important part of the body…
Q: Calculate pH of buffer prepared by mixing; 10ml of 0.10M of CH3COOH and 20ml of 0.10M of CH3COONa.
A: A buffer is defined as the mixture of a weak acid and its conjugate base or weak base and its…
Q: Which lipid sample is soluble or miscible in water? Explain.
A: Lipids are macro molecules that consists of monomers of fattyacids. Fattyacids are esterified to…
Q: We usually say that a perfect buffer has its pH equal to its pKa. Give an example of a situation in…
A: A buffer is a solution that, when adding an acid or basic components, may resist pH changes. Limited…
Q: Define the following: - pH - Buffer - pKa
A: An acid-base reaction takes place between an acid and a base and is used to determine pH. An acid is…
Q: What happens to pH of buffer solutions when small amounts of acid and base is added?
A: A buffer is a solution containing a strong acid and its conjugate base or a weak bases and its…
Q: Which of the following combinations would be the best choice to buffer the pH of a solution at…
A: Ans- NaH2PO4 and Na2HPO4 would be the best choice to buffer the pH of a solution because it has pka…
Q: Which lipid sample (butter/oil is soluble or miscible in water? Explain.
A: Lipids are a major class of biomolecules. Lipids are differentiated from other organic molecules…
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 are examples of general equations showing the ionization of a protein in acid medium and in…
A: Proteins are composed of amino acids attached with each other through peptide bonds. Linear chain of…
Q: Can a peptide act as a buffer? If so, why?
A: Peptides are the sequence of amino acid residues which are linked by formation of peptide bond…
Q: if pH level of solution changes from pH 5 to pH 2, how much acidity increased in that solution and…
A: pH is the scale that indicates whether an aqueous solution is acidic or basic. Mathematically, pH =…
Q: Stearic acid is insoluble in water, and sodium stearate (a soap) is soluble. What causes the…
A: Lipids are macrobiomolecule that are made of hydrocarbons and is insoluble in non-polar solvents.
Q: What are the properties of Water of physiological importance?
A: The main properties of water that are physiological importance are as follows • polarity •cohesion…
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: How can the concentration of water in a solution be decreased
A: Concentration of water molecules are generally expressed as molarities. Pure water has a…
Q: Determine the pH of a solution composed of 1 M acetic acidand 1 M sodium acetate.
A: pH is a scale that is used to specify the acidity or basicity of an aqueous solution. Acidic…
Q: How are different pH levels maintained in different places in the human body? Why are these pHs…
A: pH is used to quantify a basic or acidic substance. pH plays an important role in the human body…
Q: why does water move inward in a hypotonic solution?
A: The movement of molecules from a region of higher concentration to the lower concentration region is…
Q: Why is pH regulation important for living beings? How do mineral salts participate in this…
A: pH is the unit of measurement that determines the degree of acidity and alkalinity. Low pH values…
Q: Many manufacturers claim that their health care and hair care products are pH balanced or buffered.…
A: The research methodology used to identify the claims for the brand. The claim is defined as the…
Q: What is the function of the buffer protein in the human body?
A: There are 3 types of buffer systems in our body. They are protein buffer system, phosphate buffer…
Q: What do buffers do? Describe a buffer system in the human body. Why is this important?
A: It is critical for the body to operate effectively that pH management is strict, with the body…
Q: Which properties of buffer solution will maintain the solubility of the proteins and How can we…
A: Buffer solution - it is commonly used in the lab. It is a solution which resist change in pH with…
Q: What is the correlation in hydration of proteins between the average weight and the ph? see the…
A: Myofibrillar protein : These are the main protein constituents of skeletal muscle tissue and…
Q: At what pH does a lysine solution exhibit the highest buffering capacity? (Lysine pKas: pk1 = 2.2,…
A: Buffer has the capability of resisting pH changes when a small amount of acid or base is added. It…
Q: carbonic anhydride
A: Carbonic anhydride It is the acidic oxide of carbonic acid. It is colourless, odourless and…
Q: What quality of zwitterions makes them desirable buffers?
A: A buffer is a solution that can withstand pH changes when acidic or basic components are added. It…
Q: Are naturally occurring pH buffers present in living organisms?
A: pH refers to the hydrogen ion (H+) concentration in a solution. The pH scale ranges between 0 to 14…
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- Available cloxacillin 2g match the following reconstitution option with the order ordered: 1500 mg of cloxacillin IV q8h ordered: 800 mg of cloaxacillin IM q6h ordered: 500 mg of cloxacillin IM q8h ordered: 1800 mg of cloxacillin IV q8h 1. 2. add 4.8 mL sterile water for concentration of 400mg/mL add 9.8 mL of sterile water for concentration of 200 mg/mLNo Service < Notes › O 9:49 PM April 8, 2023 at 9:49 PM Why is there a difference between the stock solution concentration of chymotrypsin calculated from zero time y-intercepts versus the stock solution label information? || @ 97%Review your data and calculations and complete the following discussion questions. 1. Explain how the slope of the line of absorbance vs. time provides information regarding protease activity. । ॐ EB EIT T Normal BIIU
- Arginine 12 14.0 VI 12.0F 12.0 10.0F IV 10.0 8.0 8.0 pH 6.0 6.0 4.0- 4.0 2.0 2.0 0.0 0.5 1.0 1.5 2.0 2.5 3.0 Eguiyslonts of Ou Below you can find the titration curve for arginine. The pH was monitored, and the results were plotted as shown in the graph. The key points in the titration are designated I to VI. For each of the statements (a) to (f), identify the appropriate key point in the titration. (pKa (СООН): 1.82, рКa (NH2): 8.99, pKa (R): 12.48) Average net charge of +2 predominates: The predominant species is +H3N-CH-((CH2)3-NH-C-NH2-NH2+)-COO- : Average net charge of arginine is 0: d. а. b. C. The pH is equal to the pka of the carboxyl group: Half of the backbone amino groups are protonated: Average net charge of arginine is +1/2: The carboxyl group has been completely titrated: е. f. g.Guide Questions: 1. What is the indicator reagent for each of the following organic compounds and what color change will tell you that the organic compound is present? a. ) Monosaccharides (Glucose/Fructose): b. ) Starch: c.) Protein: 2. What is the purpose of the samples containing albumin. glucose/fructose, and boiled starch solution (cooked rice)? 3. Based on what you learned from this experiment, explain why it is important to eat a variety of foods to nourish your cells. Real Life Application: 1. What causes scurvy and what are some of its symptoms?C. Choosing the Proper Buffer Solution 1. Choosing the Proper Buffer Solution In Protein Precipitation, two liters of 5mM buffer solution with pH 5.2 is needed in the isolation of albumin. Which among the following buffer solution is best fitted for said purpose? Justify your answer. Buffer solutions pKa Acetate buffer 4.73 Tris- (hydroxymethy) aminomethane 8.08 Phosphate buffer 7.20 Discussion: 2. Preparation of the Chosen Buffer System Calculate and measure the amounts (in grams if solid and in mL if liquid) of weak acid and conjugate base needed to be able to prepare the chosen buffer system in part A above. Express your answer in useful units (that is, prepare it from practical amounts or concentrations of starting materials). D. Titration of an Amino acid Graph: titration of Glutamic acid Glu Glu Glu" Glu- COOH Co0 co0 Co0 H,N*-C -H H,N-C-H H,N*-c-H H,N -C -H CH2 CH2 CH, CH2 CH CH, CH, CH2 COOH соон co0 Co0 14 12 10 pK pH pkg Isoelectric point pk, 1.0 2.0 3.0 Equivalents of COH"…
- Q1.5 ... If the equation produces from data is y = 0.300x-0.857 and the absorbance for the unknown is 0.429. What would be the concentration of the unknown. Give the answer with 3 decimal places. Type your numeric answer and submit Unanswered a Save Q1.9 Fill in the Blanks Type your answers in all of the blanks and submit The microplate reader is used to take measurements of Type your answer here and Type your answer hereShort examination of Advanced Medicinal Chemistry course 1. What is the Reverse transcriptase (RT) inhibitors? Explain with an example and describe its structure. 2. What is the oral absorption of a drug? Describe completely. 3. What is the following structure about? Describe with details. PEPTIDE(1) PEPTIDE(1) NH NH NH HN CO---- ---HN 0 SERINE PROTEASE 0= YX MIX HN Co,H O CO₂H PENICILLINS CO₂H ---HN SERINE PROTEASE 4. Mention to the five Protease inhibitors containing sulfonamide functional moiety. 5. Explian the H2 Receptor Antagonists. 6. Write the synthesis pathway for the Zantac. NHMe none NO₂ ranitidine (Zantac) 7. Explain the cyclin-dependent kinases, completely. 8. Describe DNA ALKYLATING AGENTS. RCo ? ull| 58%| 1:31 AM Topic 5_Proteins.. WMSU-ISMP-GU-001.00 Effective Date: 7-DEC-2016 See if you can do this! 1. Indicate whether each of the following molecules is an alpha amino acid or not and explain why. a. H,N-CH-C-OH b. H,N-C-CH,CH,CH; CH-OH ČH3 c. CH;CH;CH-CH,–NH, HO-C -CH-CH;CH(CH3)½ NH, d. OH 2. Which of the following forms of lysine would you expect to predominate at low pH, neutral pH, and high pH? H но H NH,- CH)4 NH,+ NH,- (CH)4 NH,- -C-O C-Ĉ-OH a. b. с. (CH)4 NH,+ NH, 3. One of the 20 standard amino acids is unusual in that its side chain contains a ring that incorporates the amine functional group of the amino acid. What is the name of this amino acid? What is its three-letter abbreviation and one-letter code? Write the chemical structure of this amino acid at physiological pH. 4. Draw the structure of valine at pH 1.0 and at pH 12.0. 26
- 17 Your patient requires 15mg Buspirone Hydrochloride orally. The tablets available are 5mg. How many would you administer? Please give your answer as a whole number Answer: tablets Show Calculator9:06 MI CACC117 MODULE II_2... ACC 117: Biochemistry -Carbohydrates and Lipids Modul LEARNING ACTIVITY 1. Differentiate starch from cellulose and carbohydrates from lipids. 2. In which solvents or solutions will a lipid be soluble: а. СH-Cl b. 5% aqueous NaCl solution 3. List the physical properties of fats and oils and explain why they are differe 4. Identify the membrane lipids and describe their structures and roles. 5. Which is more hydrophilic, cholesterol or phospholipids? Defend your answer 6. Why does the introduction of double bonds into a fatty acid molecule lower melting point? 7. Identify the fatty acids present in each of the following triacylglycerols. c. CH;CH2CH2CH2CH3 а. b. CH,—0—С-—(CH-)14 — СH, CH2-0-C CH–0–C-(CH2)12-CH3 CH-O-C CH2-0-C–(CH2)7–CH=CH–(CH2),–CH3 CH,-0–Question : Ion exchange chromatography (Indicate the right answers) : A- It allows the separation of proteins according to their mass. B- A cation exchange column fixes molecules at a pH being below of their pHi. C- Elution of the proteins follows their increasing size. D- Is constituted by a resin composed of porous beads through which the proteins do transfer more or less fast according to their size. E- An anion exchange column has a negative surface charge.
