Below is a general outline of a soap molecule. Indicate on the outline the area that is expected to be hydrophobic and the area that is expected to be hydrophilic?
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Below is a general outline of a soap molecule. Indicate on the outline the area that is expected
to be hydrophobic and the area that is expected to be hydrophilic?
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- Create an illustrated step-by-step schematic diagram of the following Analysis of Lipids: Translucent testIf the following lipids are present: phosphatidylserine / phosphatidylcholine / sphingomyelin / triacylglycerol / and cholesterol ester are mixed and the mixture is separated by column technique. chromatography with silica gel in the column and then start Leach with a less polar solvent. The drought gradually increases the polarity of the less polar solvent. and gradually increasing the polarity of the solvent How are the lipids in the mixture in order to emerge from the column? along with explaining the reasons ..Soap bubbles are formed from detergent solutions (like SDS, sodium dodecyl sulfate). These bubbles are like inside-out bilayers with the hydrophobic tails are out towards the air. Explain the physical basis and structure for the formation of soap bubbles.
- A mixture of lipids containing phosphatidic acid, cholesterol, testosterone, and phosphatidylcholine was applied to a hydrophobic interaction chromatography column. The column was then washed with increasingly nonpolar solvents. IWhat order would the lipids be eluted from the column?The lipopolysaccharide of Gram-negative bacteria is composed of the following EXCEPT: Phospholipid Lipoteichoic acid Polysaccharide O-PolysaccharideExamine and describe the drop shapes which land on a plate and wax paper. Explain the difference in drop shape in terms of adhesion (the formation of hydrogen bonds between molecules of different types) and hydrophobic interactions.
- A can of cola consists mostly of sugar dissolved in water, with some carbon dioxide gas that makes it fizzy and makes the pH less than 7. Describe the cola using the following terms: solute, solvent, acidic, aqueous solution.Given 10 gram of vitamin C (E=0.18), we can make ml of isotonic Vitamin C solution.A mixture of lipids containing phosphatidic acid, cholesterol, testosterone, and phosphatidylcholine was applied to a hydrophobic interaction chromatography column. The column was washed with a high salt buffer and the lipids were eluted with decreasing salt concentrations. In what order would the lipids be eluted from the column? Explain your answer.
- Match the following terms (A to F) with the statements (i – vi) below by selecting from the drop-down menus. Each choice may be used once, more than once, or not at all. A nonpolar covalent bond B polar covalent bond C ionic bond hydrogen bond E hydrophobic interaction F All of the above (1) Explains most specifically the attraction of water molecules to each other (i) Important for self-assembly of membranes (iii) Important in large biological molecules (iv) Joins backbone atoms in fatty acids (v) Easily disrupted in presence of water (vi) Important for alpha helix and beta sheet formation in proteinsDraw a single condensation reaction occurring between two amino acids (choose any two). Clearly indicate materials entering or leaving with arrows and label all parts of one of the amino acids.Given the figure below. Which structure is predominant at pH = 8.0? (Note: The amino acid structures on the topmost portion are labeled as A, B, C and D from left to right) * çOOH pK1 H3Nt CH CH2 CH2 CH2 ČH2 NH3* poo H2N-CH CH2 CH2 GH2 CH2 NH2 foo H2N-CH CH2 çoo pK2 pk3 CH2 CH2 NH3* NH3* 14 1 pK2 pl pk3 12 10 pH 6 4 pK1 2 0.5 1 1.5 2 2.5 3 Equivalents of OH