Only typed answer otherwise leave it Compare a-keratin and hemoglobin with regard to each of the following: (a) secondary structure; (b) water solubility; (c) function; (d) location in the body.
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Compare a-keratin and hemoglobin with regard to each of the following: (a) secondary structure; (b) water solubility; (c) function; (d) location in the body.
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- Both a-keratin and collagen are fibrous proteins.however,the hydrogen bonding pattern is different between the helices of the respective proteins.what os the major difference?Which of the following did Ruth Benesch and her husband Reinhold Benesch accomplish? Select all that apply. determining the function of 2-3-biphosphoglyceric acid determined the exact location BPG binds hemoglobin by X-ray analysis predicted the location BPG binds to hemoglobin demonstrated that the alpha and beta heterodimers of hemoglobin and conformational changes in the protein were essential to the function of the protein and its cooperative bindingInhibin and activin are similar molecules; however they have very different physiological roles. Discuss these differences.
- Apohemoglobin (apoHb) is a dimeric globular protein with two vacant heme‐binding. The preparationof apoHb is based on partial hemoglobin (Hb) unfolding to facilitate heme extraction into an organic solvent. What is an appropriate method for removing the heme? a. An acidic buffer to protonate the His axial ligand in the presence of ureaas the denaturing agent. b. An acidic buffer to protonate the His axial ligand in the presence of mercatoethanol as the denaturing agent. c. A basic buffer to deprotonate the His axial ligand in the presence of ureaas the denaturing agent. d. An basic buffer to protonate the His axial ligand in the presence of mercatoethanol as the denaturing agent.Myoglobin monomers are likely to have more hydrophilic amino acids on the protein surface than Hemoglobin monomers. True or FalseThe inner leaflet (monolayer) of the human erythrocyte membrane consists predominantly of phosphatidylethanolamine and phosphatidylserine. The outer leaflet consists predominantly of phosphatidylcholine and sphingomyelin. Although the phospholipid components of the membrane can diffuse in the fluid bilayer, this sidedness is preserved at all times. How?
- (a) Answer all sections (i)- (Iv). Below is given the structure of three anti-HIV drugs: OH Meo. OMe NH Ph Nevirapine Atazanavir Staudivine (i) Give the drug target and discuss the anti-HIV mechanism of each of these drugs. Vaccines are an attractive prophylactic treatment against both viral and bacterial diseases. A number of glycaconjugate vaccines using bacterial polysaccharide structures conjugated to protein carriers have been introduced into mass vaccination schemes with excellent results. What differences are there in the immune response to a glycoconjugate vaccine as compared to a polysaccharide vaccine? These glycoconjugate va nes has been used for 30 years without any change in their structures, while the composition of the flu vaccine, based on attenuated or killed virus particies, is changed from year to year. Discuss the reason behind this. (iv) Discuss why it has not been possible to develop a (part structure) vaccine against the HIV virus, based on either I) viral…HbA1c is a glycated hemoglobin in which a glucose molecule is covalently bound to the N-terminal valine of a hemoglobin subunit. True Falsesickle hemoglobin when deoxygenated will create a long line of protein cells? is this true? Please explain your answer. thanks
- Which peptide will yield the following qualitative results? Fohl's Test (+) Sakaguchi Test (+) Biuret Test (-) O Cys-Arg Cys-Arg O Arg-Cys Cys O Arg Cys O Cys-CysWhat is the difference between Lamin A protein and progerin? briefly describe the difference in their functions ( three sentences or less) Keratin and fibrinogen are examples of _____________ proteins.