Select all of the following that are true of the phospholipi

Select all of the following that are true of the phospholipids bilayer. (select at that apply) The fatty acid chains of the phospholipids make the middle section hydrophobic. The hydrophobic phosphate heads allow the membrane to be selectively permeable to non-polar molecules. Sterols embedded in the bilayer allow the membrane to remain fluid at various temperatures. Approximately one-third of all proteins are membrane-proteins. Glucose can easily diffuse through the membrane. The bilayer would function similarity if composed of triglycerides instead of phospholipids. Some proteins embedded in the membrane help with transporting large molecules through the bilayer. Plosmodesmata in plant cells and gap junctions in animals cells allow for direct exchange of material between adjacent cells.

Solution

(a) (d) (g) (h)

Membrane proteins comprise one-third of all cellular proteins. Long chain of fatty acids form the membrane core and phophate heads form the outer layer. Plasmodesmata and gap junctions allows molecules and substances to move back and forth as needed.