8. For protein adsorption to the types of material surfaces designated below, indicate whetherthe adsorption process is primarily mediated by either enthalpic or entropic effects. Brieflyjustify your answers for each case.(A)A material surface functionalized with nonpolar groups (i.e., hydrophobic).(B)A material surface functionalized with polar groups (i.e., neutral hydrophilic).(C)A material surface functionalized with charged groups (i.e., +/-).

Since water is the most abundant molecule within living organisms and thereby almost all…

Answered: 8. For protein adsorption to the types…

Biochemistry

9th Edition

ISBN:9781319114671

Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Chapter1: Biochemistry: An Evolving Science

Section: Chapter Questions

Problem 1P

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Similar questions

Discuss the mechanism that leads to aggregation of a protein therapeutic via a conformationally-altered monomer. Suggest one method of minimising aggregation via the mechanism above. please only answer if you are goin to explain well
After treatment with peroxyformic acid, the peptide hormone vasopressin is partially hydrolyzed. The following fragments are recovered. Propose a primary structure for vasopressin. Phe-Gin-Asn Pro-Arg-Gly NH2 Cys-Tyr-Phe Asn-Cys-Pro-Arg Tyr-Phe-Gin-Asn
1. Examine the synthetic glycoprotein, Molecule A, shown below: Protein- OH OH OH OH OH ÓH OH Molecule A OH Draw the structures of the products obtained when Molecule A reacts under the following conditions. Justify your answer. If no reaction occurs, explain why. The monosaccharide rings that have not reacted may be represented by an “R" group. Mechanisms are not required. (а) Ammonium Carbonate, 5 days. (b) Excess Sodium Periodate. (c) 2,3-dinitrophenyl hydrazine under reductive amination conditions. NO2 O2N. „NHNH2 2,3-dinitrophenyl hydrazine
. Theoretical and experimental measurements show that in many cases, the contributions of ionic and hydrogen-bonding interactions to AH for protein folding are close to zero. Provide an explanation for this result.,
A22. Which ONE of the following statements regarding biological molecules is CORRECT? (A) The monosaccharide glucose is predominately in the linear form in aqueous solution. (B) (C) (D) (E) Disaccharides consist of two monosaccharide units linked by an ester bond. Starch is a polymer of glucose units held together by the formation of acetal bonds. Peptides are formed from a number of amino acids bound together through their side chain groups. Peptides and proteins are held together by imine bonds.
Check the TRUE alternative in relation to amino acids and proteins: (a) the precipitation of a protein is always an irreversible process (b) the isoelectric point of amino acids with non-ionizable side chain is reached at neutral pH (= 7) (c) all the amino acids that make up our proteins have a chiral carbon whose configuration is (S) (d) denaturation affects all structural levels of proteins (e) all amino acids are soluble in water and have relatively high melting points
Mutations of Lysine to Alanine residues near the membrane water interface disrupts binding to the lipids. Which portion of the lipid does the protein bind to, the head group or the acyl chain, given the mutation?
(c) The figure below shows the measured osmotic pressure, II / c, against the mass concentration c of the polymer for polymer solutions A, B, C, and D. The temperature and solvent are constant. D П B A (i) Rank the polymers according to their molar mass. (ii) In which polymer solution is the quality of the solvent the poorest? What type of solvent is present in sample C? Explain your answer. (iii) Which polymers could have the same chemical composition Explain your answer.
What is a Penetration coefficient in lipid solubility of membranes?
3. You have a protein that is easily extracted from a cell membrane preparation, without any associated lipids, by washing with a buffer containing a salt (e.g. 2M NaBr) without the need to treat the membrane with detergents. What type of protein do you have? E) Peripheral (extrinsic) F) A protein covalently anchored to membrane fatty acids G) Transmembrane H) None of the above Answer: Explanation: 4. A bacterium is suddenly expelled from a warm human intestine into the cold world outside (hey, it's been a cold December!). Which of the following adjustments might the bacterium make to maintain the same level of membrane fluidity? I) Produce lipids with hydrocarbon tails that are longer and have fewer double bonds Produce lipids with hydrocarbon tails that are shorter and have more double bonds K) Decrease the amount of cholesterol in the membrane L)Decrease the amount of glycolipids in the membrane Answer: Explanation: 5. Which of the following membrane lipids does not contain fatty…
2
Please help me with this question. More than one answer may be correct. Elastin _______. Options: A) has a repeating structure of 3 amino acids such as Gly-Pro-X B) crosslinks with numerous other elastin peptides to make an elastic fiber C) is physically attached to the smooth endoplasmic reticulum D) is physically attached to ribosomes E) is rich in hydrophobic residues

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