Which of the following membranes would be MOST fluid? One containing lipids with saturated 16 C-fatty acids. One containing lipids with monounsaturated 18 C-fatty acids. One containing lipids with plyunsaturated 16 C-fatty acids. One containing lipids with saturated 18 C-fatty acids

In an experiment, a 0.001 (mole fraction) solution of polysaccharide in water is made and is placed in the compartment A.  Compartment B is filled with pure water.  The two compartments are separated by a porous semi-permeable membrane that allows the exchange of water molecules between the two compartments, but not that of the larger polysaccharide molecules.  part 1: Show that the chemical potential of water in compartment A is lower than that in compartment B by 2.48 J/mol.

Which of the following statements are TRUE about the phospholipid bilayer? Select all that apply.         Integral proteins have at least one part touching the inner 'tails' of the membrane.     Peripheral proteins span the entire membrane.     Cholesterol can be used to make the membrane more OR less fluid, depending on the temperature.     Glycolipids and glycoproteins face the inside of the cell.

Lipid bilayers form spontaneously in a process driven by the hydrophobic effect. Explain how the hydrophobic effect drives bilayer formation from individual lipids in an aqueous environment. Describe how the physical properties of the lipid bilayer are determined by the chemical properties of the membrane lipid components. Diagrams are encouraged for both parts of the question.