What is true about lipids? A. They are polar and therefore soluble in polar solvents B They are polar and therefore soluble in nonpolar solvents C. They are nonpolar solvents D. They are nonpolar and therefore soluble in polar solvents
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What is true about lipids? A. They are polar and therefore soluble in polar solvents B They are polar and therefore soluble in nonpolar solvents C. They are nonpolar solvents D. They are nonpolar and therefore soluble in polar solvents
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- Would you expect lipids to be soluble or insoluble in each of the following solvents? a. CH3-CH2)7-CH3 b. CH3-CI c. CCl4 d. CH3-CH2-OHWhich of the following statements best explains the insolubility of lipids in water? a. The structure of lipids includes hydrophilic molecules. b. The polar portion of lipids is much larger than the nonpolar portion. c. The polar portion of lipids is much smaller than the nonpolar portion. d. The polar and nonpolar portions of lipids are of the same size.All of the following are lipid except. A. Waxes B. Oils C. Butter D. Ether
- In which solvent are lipids most soluble?72. Use Figure 2 to answer the following questions. (1.4) KU HOCH, OH C3 H C H С — H ОН ОН ribose Figure 2 (a) Which type of molecule does this diagram represent? (b) What is the chemical formula for this molecule? of macromolecules does this (c) What group molecule belong to? エーO エ-OWhich of the following characteristic of lipid? O A. zwitterions OB. amphiphilic O c. hydrophobic D. hydrophilic 45
- Lipids Answer the questions below:Which statement best describes the definition of the term amphoteric? 1.Amino acids are soluble in water. 2. Amino acids exists as a zwitterion in the solid state. 3.Amino acids possess both polar and nonpolar functional groups. 4.Amino acids possess both acidic and basic functional groups.which of the following solvents would NOT dissolve lipids and why? a. Hot ethanol - because this solvent is polar b. Chloroform - because this solvent is polar c. Water - because this solvent is polar d. hexane - because this solvent is non-polar
- What are the following is/are responsible for the denaturation of proteins? Select one: a. All of these b. Organic solvents c. pH change d. HeatHow are detergent molecules similar to phospholipid molecules in plasma membranes? Explain the mechanism that makes it possible for detergent molecules to get oil out of clothes. Include the terms hydrophobic and hydrophilic in your explanation.In the Thin Layer Chromatography of lipids, which of the following statements is correct? A. Lecithin will be nearer to the spotting line compared to cholesterol. B. The TLC profile will show the most polar lipids have moved farthest from the spotting line while the least polar lipids are the nearest to the spotting line. C. The solid phase is non-polar while the mobile phase is polar. D. The spots can be viewed by leaving the TLC plate under the sunlight for several minutes.